1、ScannedbyCamScanner 2 0 1 6 2 0 1 7 . 1 9 120 2 l HJ 0 5 :B J l$ : x l $ 3 12 5 6 o B r + / ? ) 1 = 0 l A / B 0 . 1 O B m O C 1? 0 , 11 0 D m O , / ? O 2 x ) = e “ 3 t , m n X A t a / 71 a t / / / 71 B / n c m / m n C m c a , n a , m l l n , W ! n l l a . D y / / “ . 5 = A 1o + 245 B 0+J c 12 + 43 D
2、 11+ 26 n 6 m x 0 O 1 H ( B 4 )ScannedbyCamScanner x 3 = O 2 W B B , C t C D B B , C , C A 30 B 4 5 C 60 D 90 B C D E F A B C D 3 E F A B , E F = 3 E B C D 2 9 D A 2 B S C 6 2 A B 4 5 20 2 03 3 + 4 y 5 = 0 6 + n + 14 = 0 ( x ) k 7 l l l!F k f ( x ) = c . )ScannedbyCamScanner : . / 15 ( o . 2 ) r ! (
3、 4 0 ) ( 6 , 3 ) ( m , n ) ! r j m 1 71 16 P ( x o . o ) 1 x + + C = 0 1 2 2 e O ) = x , + C 1 d A 2 + B 2 d ! d d 2 ! d d 0 d d 0 P . t 6 70 17 ( 10 ) B 18 ( 12 ) P ( 3 , 0 ) t ! 2 y 2 = 0 x + + 3 = 0 P t 19 . 12 ) l i P C D B C / / D , B C = 1 D = 2 , C C D , D B C D ( 1) C PD B C ( ) P / i E , B
4、E / P C D ? 3 )ScannedbyCamScanner 2 0 ( 12 ) A A C C 8 Y 3 y + 2 = 0 8 C O , 9 . O r B ( 1 , 3 ) ! ( 1) C ( 2 ) B C 2 1 ( 12 ) ( x ) x ( ) ( ) = I l o ( + l ) a l + 2 . + l 0 , 24 . ( 1 ) a ( 2 ) f ( x ) 3 a ? 2 2 ( 12 ) C P B C E F C B n C , PE F P F / B ( ) P C P A B ( 2 ) B C ( 3 ) P , B , C 1 2 A B C ( 4 4 )
