北师大版七年级数学上册有理数计算题大全 81.docx

1、北师大版七年级数学上册有理数计算题大全 81 1 7 2 8 (19) 1 (19) 4 8 7 4 16 ( )( ) (24) 14 (21) 8 5 4 1 7 44 9 (3)3 ( )24 8 8 3 2 12 3 1 1 4 ( ) ( )2 ( )(4 ) 3 14 2 20 2 5 1 11 3 4 (12) 6 (12) 4 12 1 6 16 ( )( ) (84) 20 (3) 8 7 6 1 1 16 2 (2)2 ( )10 2 2 5 3 2 3 1 3 6 ( ) ( )3 ( )(6 ) 2 9 2 20 2 5 3 1 4 4 (9) 4 (9) 4 12 1

2、 6 8 ( )( ) (42) 20 (21) 4 7 6 1 4 14 3 (3)2 ( )24 3 3 8 3 4 1 1 3 1 ( ) ( )3 ( )(5 ) 2 18 3 24 4 3 6 1 9 1 (14) 7 (14) 5 10 7 6 12 ( )( ) (84) 18 (3) 6 7 6 1 1 48 5 (2)2 ( )6 2 2 3 1 12 4 1 5 6 ( ) ( )2 ( )(5 ) 3 4 3 40 4 5 9 23 3 1 (7) 9 (7) 8 24 1 2 8 ( )( ) (60) 18 (60) 4 3 2 8 1 74 8 (2)2 ( )56

3、 7 7 8 1 16 4 1 3 4 ( ) ( )2 ( )(2 ) 2 6 3 12 2 3 4 1 9 7 (7) 7 (7) 5 15 1 2 8 ( )( ) (18) 6 (6) 4 3 2 9 9 39 5 (2)3 ( )32 8 8 4 2 21 4 1 1 1 ( ) ( )3 ( )(5 ) 3 12 3 20 2 5 3 1 9 9 (19) 7 (19) 4 8 1 4 8 ( )( ) (78) 8 (3) 4 5 4 9 7 16 7 (3)2 ( )72 8 8 9 3 10 4 1 5 1 ( ) ( )3 ( )(5 ) 2 27 3 36 6 3 9 1

4、5 6 5 (18) 7 (18) 8 16 7 6 16 ( )( ) (18) 12 (24) 8 7 6 1 7 19 3 (3)3 ( )12 6 6 2 1 16 1 1 1 4 ( ) ( )2 ( )(2 ) 2 5 3 40 4 5 1 15 7 8 (12) 4 (12) 8 16 7 4 16 ( )( ) (72) 2 (45) 8 5 4 8 8 18 8 (3)3 ( )14 7 7 2 4 24 3 1 3 6 ( ) ( )2 ( )(4 ) 3 8 2 40 4 5 3 7 2 2 (15) 9 (15) 4 8 1 4 4 ( )( ) (102) 18 (5

5、4) 2 5 4 1 8 15 3 (1)3 ( )35 7 7 5 1 12 2 1 1 2 ( ) ( )2 ( )(4 ) 3 3 3 12 2 3 3 11 7 2 (3) 8 (3) 4 12 1 4 4 ( )( ) (6) 14 (12) 2 5 4 3 1 48 5 (1)2 ( )20 4 4 5 3 2 2 1 5 4 ( ) ( )2 ( )(3 ) 2 27 3 60 6 5 8 1 2 3 (19) 1 (19) 7 21 9 2 16 ( )( ) (36) 16 (60) 8 3 2 10 10 36 4 (2)3 ( )18 9 9 2 1 16 3 1 1 2

6、 ( ) ( )2 ( )(2 ) 2 2 2 12 2 3 1 1 1 3 (15) 2 (15) 7 14 1 4 16 ( )( ) (42) 6 (45) 8 5 4 1 6 46 2 (3)3 ( )21 7 7 3 4 21 1 1 5 1 ( ) ( )2 ( )(3 ) 3 24 3 60 6 5 4 11 5 9 (14) 5 (14) 5 10 1 2 4 ( )( ) (60) 8 (15) 2 3 2 8 6 19 1 (1)3 ( )28 7 7 4 4 27 1 1 3 1 ( ) ( )3 ( )(5 ) 3 16 2 12 2 3 1 1 3 2 (4) 5 (

7、4) 5 10 1 4 4 ( )( ) (6) 6 (42) 2 5 4 6 1 16 3 (2)2 ( )10 5 5 2 3 2 3 1 1 1 ( ) ( )2 ( )(5 ) 2 27 2 20 2 5 1 13 2 3 (18) 8 (18) 6 12 1 4 12 ( )( ) (84) 2 (30) 6 5 4 10 8 28 7 (1)3 ( )27 9 9 3 1 8 3 1 1 4 ( ) ( )3 ( )(4 ) 2 5 2 60 6 5 1 3 5 6 (18) 8 (18) 2 4 1 4 16 ( )( ) (120) 14 (48) 8 5 4 1 1 14 8

8、 (3)3 ( )18 2 2 9 1 2 2 1 5 1 ( ) ( )2 ( )(2 ) 2 9 3 60 6 5 7 15 7 8 (3) 7 (3) 8 16 1 2 16 ( )( ) (12) 4 (24) 8 3 2 8 10 63 3 (3)2 ( )63 9 9 7 1 14 1 1 5 1 ( ) ( )3 ( )(6 ) 2 7 3 36 6 3 1 1 7 7 (1) 9 (1) 7 14 1 6 16 ( )( ) (54) 20 (42) 8 7 6 1 4 86 2 (2)3 ( )45 5 5 9 4 21 4 1 1 4 ( ) ( )3 ( )(4 ) 3

9、24 3 12 2 3 7 17 8 9 (18) 6 (18) 6 18 5 2 8 ( )( ) (120) 12 (42) 4 3 2 3 3 17 3 (3)3 ( )12 4 4 3 4 24 3 1 1 1 ( ) ( )2 ( )(4 ) 3 8 2 12 2 3 1 5 1 7 (3) 7 (3) 3 6 7 6 12 ( )( ) (96) 2 (12) 6 7 6 6 4 72 1 (3)3 ( )40 5 5 8 4 3 4 1 1 6 ( ) ( )3 ( )(6 ) 3 32 3 60 6 5 1 1 4 6 (7) 3 (7) 5 10 3 4 8 ( )( ) (

10、78) 2 (36) 4 5 4 1 1 15 9 (3)3 ( )6 2 2 3 4 9 2 1 1 1 ( ) ( )3 ( )(2 ) 3 20 3 12 2 3 1 5 8 5 (20) 3 (20) 2 6 1 2 4 ( )( ) (6) 4 (45) 2 3 2 1 5 18 7 (3)2 ( )12 6 6 2 1 12 2 1 3 4 ( ) ( )2 ( )(3 ) 3 6 3 40 4 5 8 20 3 1 (5) 9 (5) 7 21 1 6 12 ( )( ) (54) 2 (6) 6 7 6 8 8 79 7 (3)3 ( )42 7 7 6 3 6 1 1 1 2 ( ) ( )3 ( )(4 ) 2 24 2 36 6 3 3 5 5 3 (18) 5 (18) 2 6 1 4 4 ( )( ) (120) 18 (24) 2 5 4