1、北师大版七年级数学上册有理数计算题精选 170 1 8 1 1 5 1 ( ) ( )2 ( )(2 ) 2 7 2 24 4 3 1 1 9 7 (20) 9 (20) 2 4 1 7 8 ( )( ) (90) 14 (45) 8 5 7 1 1 85 1 (3)3 ( )54 6 6 9 2 9 1 1 1 2 ( ) ( )3 ( )(6 ) 3 14 2 24 4 3 2 10 4 1 (13) 6 (13) 3 9 1 7 2 ( )( ) (48) 8 (3) 2 5 7 1 1 53 2 (3)3 ( )36 6 6 6 1 14 2 1 5 1 ( ) ( )3 ( )(6
2、) 2 7 3 40 4 5 1 5 3 9 (11) 8 (11) 3 6 1 9 2 ( )( ) (84) 6 (24) 2 7 9 4 1 19 3 (1)2 ( )35 5 5 7 1 21 2 1 1 4 ( ) ( )3 ( )(2 ) 3 7 3 20 2 5 2 8 6 4 (20) 8 (20) 3 9 3 7 4 ( )( ) (60) 18 (42) 4 5 7 4 6 48 6 (2)2 ( )25 5 5 5 1 21 1 1 1 4 ( ) ( )3 ( )(4 ) 3 4 3 12 2 3 1 11 3 3 (13) 8 (13) 6 12 7 9 6 ( )(
3、 ) (60) 12 (12) 6 7 9 1 1 22 3 (3)3 ( )21 7 7 3 1 12 1 1 1 1 ( ) ( )2 ( )(5 ) 2 8 2 12 2 3 8 1 4 8 (8) 4 (8) 7 21 1 9 2 ( )( ) (90) 10 (48) 2 7 9 1 3 13 8 (2)2 ( )8 2 2 4 4 18 1 1 5 4 ( ) ( )3 ( )(6 ) 3 16 3 36 6 3 9 15 5 6 (6) 8 (6) 8 16 3 5 2 ( )( ) (90) 14 (33) 2 3 5 5 1 35 3 (3)3 ( )8 4 4 2 1 12
4、 1 1 3 1 ( ) ( )2 ( )(5 ) 3 8 2 40 4 5 7 15 3 4 (16) 2 (16) 8 16 7 9 8 ( )( ) (84) 10 (54) 8 7 9 1 10 43 4 (2)3 ( )45 9 9 5 1 2 2 1 1 4 ( ) ( )2 ( )(3 ) 2 3 3 20 2 5 3 7 3 6 (15) 7 (15) 2 6 1 7 2 ( )( ) (108) 20 (36) 2 5 7 1 1 53 3 (1)2 ( )30 5 5 6 1 6 1 1 1 4 ( ) ( )2 ( )(6 ) 2 5 2 40 4 5 4 8 7 1 (
5、12) 9 (12) 3 9 1 7 4 ( )( ) (78) 4 (15) 4 5 7 7 5 13 6 (3)2 ( )12 6 6 2 1 4 1 1 3 1 ( ) ( )2 ( )(3 ) 2 4 3 20 2 5 3 13 4 2 (12) 8 (12) 4 12 9 9 8 ( )( ) (36) 16 (9) 8 7 9 5 1 17 5 (3)2 ( )32 4 4 8 1 27 1 1 1 1 ( ) ( )2 ( )(2 ) 3 4 3 24 4 3 4 1 4 7 (9) 2 (9) 3 9 1 7 8 ( )( ) (12) 8 (21) 8 5 7 1 6 77
6、1 (1)2 ( )30 5 5 6 1 3 2 1 1 2 ( ) ( )3 ( )(3 ) 3 7 3 24 4 3 4 9 4 1 (6) 2 (6) 5 10 5 5 6 ( )( ) (84) 4 (60) 6 3 5 5 5 19 3 (1)3 ( )16 4 4 4 2 9 2 1 3 2 ( ) ( )2 ( )(6 ) 3 12 3 24 4 3 10 1 8 6 (11) 7 (11) 9 18 3 7 2 ( )( ) (6) 4 (36) 2 5 7 3 1 75 5 (3)3 ( )12 2 2 6 1 6 1 1 7 6 ( ) ( )2 ( )(6 ) 2 9 2
7、 60 6 5 10 1 5 2 (16) 3 (16) 9 27 7 7 6 ( )( ) (54) 12 (15) 6 5 7 6 1 95 1 (1)2 ( )56 7 7 8 1 10 1 1 3 4 ( ) ( )3 ( )(3 ) 2 7 2 40 4 5 2 7 8 5 (2) 5 (2) 3 6 7 5 8 ( )( ) (114) 16 (60) 8 3 5 1 3 14 1 (2)3 ( )12 2 2 6 2 6 2 1 5 1 ( ) ( )2 ( )(2 ) 3 16 3 36 6 3 1 5 2 8 (16) 2 (16) 3 6 5 9 4 ( )( ) (24)
8、 18 (48) 4 7 9 4 1 14 2 (2)3 ( )25 5 5 5 1 8 2 1 3 4 ( ) ( )2 ( )(2 ) 2 4 3 12 2 3 9 1 1 1 (9) 2 (9) 8 24 1 7 2 ( )( ) (66) 4 (15) 2 5 7 1 7 14 2 (1)3 ( )24 8 8 3 1 18 1 1 5 4 ( ) ( )2 ( )(2 ) 3 9 3 60 6 5 1 5 9 2 (3) 8 (3) 2 4 7 5 8 ( )( ) (84) 16 (9) 8 3 5 3 1 77 2 (1)3 ( )16 2 2 8 1 3 1 1 5 6 ( )
9、 ( )2 ( )(6 ) 3 2 3 60 6 5 4 11 5 8 (18) 3 (18) 5 10 3 9 4 ( )( ) (90) 2 (27) 4 7 9 1 1 64 7 (1)3 ( )49 7 7 7 4 6 2 1 1 4 ( ) ( )3 ( )(4 ) 3 24 3 60 6 5 6 1 1 2 (9) 6 (9) 5 15 1 5 6 ( )( ) (6) 18 (18) 6 3 5 4 2 13 9 (1)2 ( )15 3 3 5 2 18 1 1 1 1 ( ) ( )2 ( )(6 ) 3 6 2 20 2 5 2 1 1 3 (16) 3 (16) 3 6
10、3 7 4 ( )( ) (66) 20 (3) 4 5 7 1 1 19 4 (1)3 ( )20 4 4 5 1 12 2 1 7 6 ( ) ( )2 ( )(5 ) 2 9 3 60 6 5 8 15 6 1 (17) 9 (17) 7 14 7 9 6 ( )( ) (66) 4 (54) 6 7 9 9 9 54 4 (3)3 ( )32 8 8 4 4 6 1 1 7 1 ( ) ( )3 ( )(3 ) 3 28 2 36 6 3 1 1 3 2 (4) 2 (4) 2 4 1 5 2 ( )( ) (102) 18 (42) 2 3 5 5 1 66 2 (2)2 ( )30 6 6 5 1 8 1 1 3 1 ( ) ( )3 ( )(6 ) 2 6 3 40 4 5 7 19 3 9 (12) 3 (12) 6 18
