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# แบบฝึก

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### แบบฝึก

1. 1. ก ก 1 251 กก ก FF 1.) 10 2 = .......................................................................... = ........................ 2.) 9 2 = ............................................................................ = ........................ 3.) 33 = ............................................................................. = ........................ 4.) 2 8 = ............................................................................. = ........................ 5.) 5 6 = ............................................................................. = ........................ 6.) 36 = .............................................................................. = ........................ 7.) 7 4 = .............................................................................. = ........................ 8.) 8 3 = .............................................................................. = ........................ 9.) 20 3 = ........................................................................... = ......................... 10.) 113 = .......................................................................... = ........................ 11.) − 3 2 = ........................................................................... = ......................... 12.) − 4 5 = ........................................................................... = ......................... 13.) − 2 6 = ........................................................................... = ......................... 14.) − 5 4 = ........................................................................... = ......................... 15.) − 9 3 = ........................................................................... = ......................... 16.) − 7 2 = ........................................................................... = ......................... 17.) − 10 5 = ........................................................................... = ........................ 18.) − 12 2 = ........................................................................... = ........................ 19.) − 15 4 = ........................................................................... = ........................ 20.) − 99 3 = ........................................................................... = ........................2 F กก 1.) 16 = .............................................................................. = ...................... 2.) − 27 = ........................................................................... = ...................... 3.) 81 = .............................................................................. = ...................... 4.) − 64 = ........................................................................... = ...................... 5.) 125 = ............................................................................ = ......................
2. 2. ก ก 2 25 F F กก F 11.) 35 × 33 2.) 2 × 24 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................3.) 410 × 4 9 4.) 98 × 9 7 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................5.) 410 × 4 9 6.) 98 × 9 7 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................7.) 113 × 114 8.) 1518 × 1512 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................9.) 2110 × 218 10.) 3010 × 30 7 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................11.) 3211 × 3214 12.) 36 8 × 3617 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................13.) 1612 × 1610 14.) 99 9 × 99 8 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................
3. 3. 15.) (− 15)7 × (− 15)12 16.) (− 28)11 ÷ (− 28) ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................17.) (− 25)18 × (− 25)2 18.) (− 9)8 × (− 9)8 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................19.) (− 22) × (− 22)15 20.) (− 19)11 × (− 19)12 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................21.) (− 36 )23 × (− 36 )9 22.) (− 40)10 × (− 40)7 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................23.) (− 61)25 × (− 61)25 24.) (− 99)55 × (− 99)44 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................25.) (− 105)105 × (− 105)105 ........................................................ ................................................................ ................................................................
4. 4. ก ก 3 15 F F กก F 21.) (5 ) 2 4 2.) (6 ) 3 4 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................3.) (4 ) 3 5 4.) (9 ) 2 2 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................5.) (7 ) 7 2 6.) (8 ) 3 4 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................7.) (10 )4 2 8.) (5 ) 5 5 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................9.) (15 )4 6 10.) (18 ) 10 3 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................11.) (22 ) 3 −2 12.) (25 ) 5 −6 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................
5. 5. 13.) (11 ) −3 8 14.) (28 ) −12 −2 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................15.) (99 ) − 9 −9 ............................................................... ................................................................ ................................................................
6. 6. ก ก 4 10 F F กก F 21.) (5 × 3)4 2.) (6 × 2)5 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................3.) (8 × 7 )6 4.) (9 × 2)8 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................5.) (11× 10)11 6.) (25 × 13)9 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................7.) (15 × 14)15 8.) (31× 3)4 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................9.) (51× 88)100 10.) (166 × 105)99 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................
7. 7. ก ก 5 10 F F กก F 2 2 7 3 51.)   2.)   4 6 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ .................................................................. 9 10 6 73.)   4.)    10  5 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ .................................................................. 4 15  −8 −95.)   6.)    11   8  ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ .................................................................. 17 14  − 14   11 7.)   8.)    4   − 10  ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ .................................................................. 11 111  45   88 9.)   10.)    − 66   − 99  ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................
8. 8. ก ก 6 10 F F กก F 2 33 561.) 2.) 32 54 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ .................................................................. ................................................................ .................................................................. 1015 15193.) 4.) 10 9 1514 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ .................................................................. ................................................................ .................................................................. 25 55 12 45.) 6.) 25 44 12 7 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ .................................................................. ................................................................ .................................................................. 158 20107.) 8.) 1514 20 25 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ .................................................................. ................................................................ .................................................................. 316 891119.) 10.) 3118 89121 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ .................................................................. ................................................................ ..................................................................
9. 9. ก ก 7 10 F F กก F 21.) 80 2.) 110 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................3.) 15 0 4.) 19 0 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ .................................................................. 12 45.) 1230 0 6.) 12 7 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ .................................................................. 17 14  − 14   11 7.)   8.)    4   − 10  ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ .................................................................. 1 19.) 10.) 4119 99121 ........................................................ ............................................................ ................................................................ ................................................................... ................................................................ ..................................................................
10. 10. ก ก 8 10 F F กก ก ก 671.) 611 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................ 9112.) 99 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................ 43.) 42 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................ 64.) 62 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................ 875.) 88 ................................................................................................................................ ........................................................................................................................................ ....................................................................................................................................... 12106.) 1211 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................
11. 11. 1 47.)  3 ÷5 5  ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................  1  58.)  4  ÷8 8  ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................  − 35 9.)  8 −3    ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................  − 86 10.)  7 −8     ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................
12. 12. ก ก 9 10 F F กก F F 4  83 1.) 8 × 2  5 8    ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................  44  62.)  2 ×4   4  ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................3.) (5 ) × (5 ) 3 2 4 5 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................ 2 3  64   65 4.)  3  × 2  6  6      ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................  55 5.) (5 4 ) × 53 ÷  2 5     ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................6.) (6 4 × 63 ) ÷ (6 ) 2 2 3 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................
13. 13. 7.) (8 ) ÷ (8 ) 3 4 2 3 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................8.) (3 4 × 33 ) ÷ (3 3 2 × 34 ) 3 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................ 4  95 9.)  6 7     ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................10.) (11 7 × 15 6 ) 4 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................
14. 14. ก ก 10 10 F F F กก1.) 100,000 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................2.) 1,000,000 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................3.) 10,000,000 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................4.) 100,000,000 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................5.) 1,000,000,000 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................6.) 10,000,000,000 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................
15. 15. 7.) 32,000,000 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................8.) 5,863,000 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................9.) 987,650 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................10.) 25,364,987 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................
16. 16. ก ก 11 10 F F F ก F F1.) 100,000 ................................................................................................................................ ........................................................................................................................................2.) 1,000,000 ................................................................................................................................ ........................................................................................................................................3.) 100,000,000 ................................................................................................................................ ........................................................................................................................................4.) 600,000 ................................................................................................................................ ........................................................................................................................................5.) 7,000,000,000 ................................................................................................................................ ........................................................................................................................................6.) 67,000 ................................................................................................................................ ........................................................................................................................................7.) 32,000,000 ................................................................................................................................ ........................................................................................................................................8.) 5,863,000 ................................................................................................................................ ........................................................................................................................................9.) 10,987,650 ................................................................................................................................ ........................................................................................................................................10.) 25,028,540 ................................................................................................................................ ........................................................................................................................................
17. 17. ก ก 12 10 F F F ก F F1.) 0.00001 ................................................................................................................................ ........................................................................................................................................2.) 0.000006 ................................................................................................................................ ........................................................................................................................................3.) 0.00000008 ................................................................................................................................ ........................................................................................................................................4.) 0.000035 ................................................................................................................................ ........................................................................................................................................5.) 0.000000789 ................................................................................................................................ ........................................................................................................................................6.) 0.0000458 ................................................................................................................................ ........................................................................................................................................7.) 0.0000000000721 ................................................................................................................................ ........................................................................................................................................8.) 0.0000009873 ................................................................................................................................ ........................................................................................................................................9.) 0.00123556 ................................................................................................................................ ........................................................................................................................................10.) 0.000452378 ................................................................................................................................ ........................................................................................................................................
18. 18. ก ก 13 10 F F F ก F F1.) (2 × 10 ) + (3 × 10 ) 3 5 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................2.) (4 × 10 ) + (5 × 10 ) 6 4 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................3.) (11× 10 ) + (15 × 10 ) 5 6 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................4.) (8 × 10 ) + (9 × 10 ) 8 10 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................5.) (3 × 10 ) − (4 × 10 ) 5 4 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................6.) (60 × 10 ) − (4 × 10 ) 6 5 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................7.) (8 × 10 ) − (9 × 10 ) 9 7 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................
19. 19. 8.) (5 × 10 ) + (4 × 10 ) − (6 × 10 ) 5 3 3 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................9.) (10 × 10 ) − (4 × 10 ) + (6 × 10 ) 6 7 8 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................10.) (15 × 1016 ) + (16 × 1015 ) − (17 × 1016 ) ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................
20. 20. ก ก 14 10 F F F ก F F1.) (3 × 10 )× (4 × 10 ) 4 5 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................2.) (6 × 10 )× (7 × 10 ) 6 4 ................................................................................................................................ ........................................................................................................................................ .......................................................................................................................................3.) (15 × 10 )× (13 × 10 ) 7 8 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................4.) (12 × 10 ) ÷ (3 × 10 ) 8 4 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................5.) (20 × 10 ) ÷ (4 × 10 ) 9 5 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................6.) (60 × 10 ) ÷ (5 × 10 ) 6 5 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................7.) (64 × 10 ) ÷ (8 × 10 ) 12 9 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................
21. 21. 8.) (24 × 10 ) ÷ (6 × 10 ) 7 6 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................9.) (10 × 10 )× (4 × 10 ) ÷ (8 × 10 ) 5 3 6 ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................10.) (125 × 1015 ) ÷ (5 × 10 8 )× (5 × 10 5 ) ................................................................................................................................ ........................................................................................................................................ ........................................................................................................................................