1 A C P D B 2 A C P B I G P M P E P N P 1 A 2 B D A’ C 1 2 H D F I K E P A d B M I 2 1 A B M I A d B M P Q M N I M N B I A x y A B I M 5cm P Q M N I d D B C O A D B C O A D B C O A P A C D E B I M’ A C G M B N 1 2 A C P M B 10cm 10cm A B C 5 3 4 A C P B 55 0 60 0 65 0 G D F H E M A(1,2) 1 1 2 2 O y x y=-1,5x 1 1 2 2 O y x -1 -1,5 -2 -3 N a b 2 1 3 1 A c B b M a t a c 44 0 1 132 0 O D 2 C 2 1 2 1 B A 1 2 . N I d D B C O A D B C O A D B C O A P A C D E B I M’ A C G M B N 1 2 A C P M B 10cm 10cm A B C 5 3 4 A C P B 55 0 60 0 65 0 G D F H E M A(1,2) 1 1 2 2 O y x y =- 1 ,5x 1 1 2 2 O y x -1 -1 ,5 -2 -3 N a b 2 1 3 1 A c B b M a t a c 44 0 1 132 0 O D 2 C 2 1 2 1 B A 1 2