北师大版七年级数学上册有理数计算题精选 128.docx

1、北师大版七年级数学上册有理数计算题精选 128 5 9 4 ( )( ) (114) 8 (51) 4 7 9 1 4 42 3 (2)3 ( )9 3 3 3 1 10 2 1 7 2 ( ) ( )3 ( )(4 ) 2 3 3 36 6 3 7 17 4 1 (7) 7 (7) 8 16 1 7 6 ( )( ) (12) 16 (45) 6 5 7 1 1 14 3 (3)2 ( )49 7 7 7 2 24 1 1 3 4 ( ) ( )3 ( )(3 ) 3 14 3 20 2 5 8 1 9 6 (12) 8 (12) 7 14 1 5 8 ( )( ) (48) 2 (24)

2、8 3 5 6 4 12 6 (1)2 ( )20 5 5 4 3 10 1 1 5 2 ( ) ( )3 ( )(6 ) 2 12 3 24 4 3 5 1 8 7 (18) 5 (18) 4 8 1 7 8 ( )( ) (96) 2 (54) 8 5 7 8 1 18 1 (2)3 ( )45 9 9 5 1 14 1 1 3 1 ( ) ( )2 ( )(5 ) 2 6 3 40 4 5 1 1 1 9 (7) 9 (7) 3 6 7 9 6 ( )( ) (60) 16 (6) 6 7 9 1 1 96 8 (1)2 ( )64 8 8 8 1 6 2 1 5 4 ( ) ( )2

3、( )(6 ) 2 5 3 60 6 5 10 19 5 6 (7) 6 (7) 9 18 7 7 8 ( )( ) (96) 6 (54) 8 5 7 1 10 15 4 (2)3 ( )18 9 9 2 1 24 1 1 1 4 ( ) ( )2 ( )(6 ) 3 7 3 24 4 3 4 16 4 1 (17) 8 (17) 5 15 3 7 4 ( )( ) (120) 20 (51) 4 5 7 6 6 46 2 (1)2 ( )21 7 7 3 1 2 1 1 5 4 ( ) ( )2 ( )(6 ) 2 4 3 36 6 3 5 13 6 2 (19) 3 (19) 6 12

4、5 5 4 ( )( ) (78) 10 (60) 4 3 5 4 4 34 1 (2)3 ( )6 3 3 2 4 12 2 1 5 1 ( ) ( )3 ( )(2 ) 3 16 3 24 4 3 10 19 9 2 (4) 7 (4) 9 18 3 5 2 ( )( ) (12) 2 (30) 2 3 5 5 5 95 3 (2)2 ( )48 6 6 8 1 10 2 1 1 4 ( ) ( )3 ( )(2 ) 2 6 3 12 2 3 2 5 7 5 (20) 6 (20) 3 6 3 9 2 ( )( ) (36) 8 (45) 2 7 9 1 10 15 5 (2)2 ( )1

5、8 9 9 2 1 10 2 1 5 4 ( ) ( )3 ( )(2 ) 2 7 3 24 4 3 7 17 2 4 (1) 2 (1) 8 16 7 7 8 ( )( ) (42) 2 (18) 8 5 7 1 1 17 4 (2)3 ( )35 5 5 7 1 14 2 1 3 4 ( ) ( )2 ( )(4 ) 2 7 3 12 2 3 1 1 6 6 (4) 6 (4) 8 16 5 9 6 ( )( ) (72) 18 (27) 6 7 9 1 2 57 6 (2)2 ( )18 3 3 6 2 9 1 1 1 1 ( ) ( )2 ( )(5 ) 3 10 2 40 4 5 6

6、 1 4 3 (19) 6 (19) 5 10 3 5 2 ( )( ) (72) 16 (21) 2 3 5 1 10 15 7 (2)2 ( )45 9 9 5 4 21 1 1 1 2 ( ) ( )2 ( )(2 ) 3 36 3 12 2 3 3 13 9 3 (11) 7 (11) 4 12 1 5 8 ( )( ) (54) 6 (33) 8 3 5 1 9 55 9 (1)3 ( )32 8 8 4 1 6 2 1 1 6 ( ) ( )3 ( )(5 ) 2 8 3 40 4 5 2 10 1 3 (16) 3 (16) 3 9 1 5 2 ( )( ) (108) 2 (3

7、0) 2 3 5 1 4 15 4 (3)3 ( )9 3 3 3 1 18 2 1 7 4 ( ) ( )3 ( )(4 ) 2 9 3 36 6 3 1 1 8 4 (1) 3 (1) 7 21 5 9 6 ( )( ) (42) 8 (60) 6 7 9 1 1 42 8 (2)3 ( )25 5 5 5 3 16 2 1 5 4 ( ) ( )2 ( )(2 ) 2 18 3 24 4 3 9 23 7 5 (6) 9 (6) 8 24 5 7 6 ( )( ) (30) 20 (57) 6 5 7 3 1 19 1 (2)3 ( )8 2 2 4 1 15 1 1 7 4 ( ) (

8、 )3 ( )(4 ) 3 9 2 60 6 5 5 1 5 5 (7) 7 (7) 4 8 1 9 8 ( )( ) (24) 16 (33) 8 7 9 1 3 63 8 (3)2 ( )28 4 4 7 1 8 2 1 5 1 ( ) ( )2 ( )(4 ) 2 8 3 60 6 5 9 1 2 1 (13) 6 (13) 8 16 7 5 6 ( )( ) (48) 14 (24) 6 3 5 1 1 32 1 (1)3 ( )10 5 5 2 1 18 1 1 1 1 ( ) ( )3 ( )(5 ) 3 3 2 36 6 3 1 20 9 6 (15) 6 (15) 7 21 7

9、 9 6 ( )( ) (84) 12 (15) 6 7 9 5 3 48 2 (3)3 ( )12 4 4 3 1 15 1 1 1 4 ( ) ( )3 ( )(3 ) 3 8 2 40 4 5 3 11 8 2 (17) 3 (17) 4 12 1 5 6 ( )( ) (54) 8 (60) 6 3 5 4 1 17 5 (1)2 ( )10 5 5 2 3 8 1 1 5 4 ( ) ( )2 ( )(5 ) 2 12 3 40 4 5 8 20 9 6 (18) 1 (18) 7 21 5 7 6 ( )( ) (24) 18 (3) 6 5 7 3 1 52 9 (2)3 ( )

10、24 4 4 6 4 12 2 1 3 4 ( ) ( )2 ( )(4 ) 3 8 3 24 4 3 8 1 7 3 (20) 2 (20) 7 21 1 5 4 ( )( ) (84) 6 (30) 4 3 5 1 1 13 9 (1)3 ( )8 4 4 2 3 18 1 1 7 4 ( ) ( )2 ( )(5 ) 2 6 2 36 6 3 1 15 9 5 (1) 6 (1) 8 16 5 9 6 ( )( ) (18) 16 (36) 6 7 9 1 1 97 1 (1)2 ( )24 3 3 8 4 9 1 1 5 1 ( ) ( )2 ( )(3 ) 3 28 2 60 6 5 1 19 6 4 (13) 6 (13) 9 18 7 5 6 ( )( ) (78) 4 (30) 6 3 5 5 1 16 2 (1)3 ( )16 4 4