M2

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M2

  1. 1. ˆ BAX ˆ ACX ˆ CAX ˆ ABC A ˆ ˆ 2 4 ˆ ˆ 3 4 180 ˆ ˆ 8 6 ˆ ˆ 5 1 B X C XAC ~ XBA ABC ~ XBA ABC ~ XYZ ABC XYZ ABC XYZ 3 3 2 9 9 4 8 AB // DE ˆ CAB 20 ˆ ˆ ABC 60 DEF 40 18 3 24 3 ˆ ˆ ACB CFE 36 3AB // CD EF
  2. 2. a c e a, b, c, d , e, f 0 b d f AC 20 AB 10 a c e a b c d e f 3 b d f a b c d e f BD 8 3 3 65 2 45 1 2 2 65 3 45 3 6 m n 30% m = n+2 mn 20% 24 2 12 5 ABC 12 7 , 2 ABC 10 10 3 3 3 2 3 10 10 3 2 9x3 y 5 x 2 y 3 15 x 4 y 6 x 4 y 6 3 3 5x 3 y 4 x3 y 4 ˆLM // NO // PQ AEP ˆ BDC 60 ˆ CBE 35 1 3x 3 y 4 ˆ ˆ 5x 3 y 4 5 BEC BDC ABD DCE 2 1 1 1 1 3 4 5 4 1 5 3 2 2 2 4 1 3 8 3 3 3 4 8
  3. 3. 0.2852 209 99283 200990 999 a, b a, b|a b| |a| |b| a b |a| |b| 2a a a b a2 b2 a b a, b c ab ac b c x 34 x05 21x56 x |a| |b| a b a b a b c c 70.5454, , 2 2 10 7 8 2 4 8 20 0. 3 3 Science 25 % English 18 % Music 12 %
  4. 4. x2 3x 10 x 2 x 5 x2 76 x 77 x 77 x 1 4 x 2 14 x 6 2 2x 1 x 3 11 2 2 x 6x 7 x 3 2 x 3 2 3 2 10 7 104 3 105 2 x y 1 0, x 2 y 5 0 y 0 107 (5 104 ) (6 104 ) 50 y 3x 4 x2 2 xy y 2 x2 2 xy y 2 x2 y2 6 x 2 y 11 0 x2 y2 x y x y 3x y 4 0 x2 y2 x y 2x 6 y 1 0 x y x y 2x 6 y 3 0 x y x y x y x2 y2 2x y 1 0 2x y 1 0 x 2y 1 0 2x y 1 0 2x 3y 1 0 6x 4 y 5 0 4x 5 y 3 0 10 x 8 y 9 00 90 ABC x 3y 1 0 2x 3 y 1 0 A 2x 8 y 1 0 y 2x (2,0)(0,3) B 9 X 16 C (1,1) (4, 3) (6, 4) ( 2,7.5) x 2 x 4 5 x 1 x 1 3 15 3 15 1 x 2 1 34 1 34 x 1 2 3 3 x 1 3 34 3 34 4( x 2) 2 x 1 2 2 2 x 3( x 1) 4 x 2 15 2 15
  5. 5. 30 5 5 2 6 220 5 9 2 10 215 510 5 32 3 36 3 64 72 3 3 3 3 6x 2 5x 1 05 16 63 22 3
  6. 6. 22008

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