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# ข้อสอบม.1 math final 54

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### ข้อสอบม.1 math final 54

1. 1. (x) - - ---- -- --- ---- ----- - - - - -- --- - ---- 8 -76 -75 9 8 -8
2. 2. 9 -9 1011 (a+b)–c a = 5, b = -21, c = -18 12 a -( b – c) a = -100, b = 54, c = -45 13 4 { – -17 17 -20 20 -7 8 -8 - - ----- - ---- 15 -14 -15 34 - -m -m -– ---- - -- -- - - -- m 4 m 5
3. 3. x7x7x7x7 7x5 2 3 2 2 2 2 2 2 -- 3 3 3 x -- x 3 3 3 + + 2x3x3 2+3+3 - - - 1 1 2 2 - 1 1 3 3-- - - x x x x
4. 4. -- - 81 256 3 3 3 3 (3 3 3 3) 2 2 2 2 2 2 2 2 ( 2 2 2 2 2 2 2 2) 3 3 3 (3 3 3 3) 2 2 2 2 2 2 2 (2 2 2 2 2 2) 4 3 3 3 8 8 5 2 4 4 3 3 5 8 2 2 a a a a a 10
5. 5. 107 102