1、 (1) (2) (1) (3) 6 (4) 48( )(5) 4.613.6 (6) 4( 0.75)1.22(7) () (8) ( 75%)0.25 (9) ( )( ) (10) (1009)( ) (11) ( ) (12) 62.5%30.6257 6 (13) (14) (15) ( ) (16) (17 17)34 (17) 9(30.4) (18) 7.82.220% (19) 34.765.3(20) ()12 (21) ()(22) ( ) (23) 6733 (24) () (25) (12.5840)0.6 (26) 23(27) 3.42.770.233.4 (28
2、) 4.613.6 (29) 4( 0.75)1.22(30) (1) (31) (32) ()(33) ( )( )(34) (1009)( )(35) (36) ( )(37) ( )(38) ( ) (39) 62.5%30.6257 6 (40) (41) (17 17)34(42) ( 75%)0.25(43) 6 (44) 48( )(45) ( )(46) 9( ) (47) ( ) (48) (49) 13 31(50) ( )917(51) ( )48(52) 0.257(53) (225%)(54) 4 (55) ()(56) 9 (57)(58) 12( )20 (59) (60）
