七年级数学上册有理数计算题专项训练 141.docx

1、七年级数学上册有理数计算题专项训练 141 9 7 57 7 (2)3 ( )48 8 8 6 1 10 1 1 1 1 ( ) ( )2 ( )(6 ) 2 8 3 36 6 3 8 20 3 8 (19) 6 (19) 7 21 1 4 4 ( )( ) (12) 6 (57) 2 5 4 5 5 13 6 (2)2 ( )12 6 6 2 1 18 1 1 1 1 ( ) ( )3 ( )(2 ) 2 4 2 60 6 5 1 3 7 6 (16) 7 (16) 2 4 7 4 16 ( )( ) (120) 8 (57) 8 5 4 4 2 47 1 (2)2 ( )9 3 3 3 1

2、 14 2 1 1 1 ( ) ( )3 ( )(6 ) 2 9 3 12 2 3 1 1 9 5 (13) 3 (13) 2 6 1 4 4 ( )( ) (36) 4 (60) 2 5 4 1 1 17 6 (3)2 ( )14 2 2 7 3 4 1 1 1 4 ( ) ( )3 ( )(6 ) 2 12 2 20 2 5 1 1 2 6 (9) 1 (9) 2 4 1 4 8 ( )( ) (42) 12 (51) 4 5 4 5 1 54 2 (2)3 ( )16 4 4 4 1 15 3 1 1 2 ( ) ( )2 ( )(6 ) 3 7 2 36 6 3 3 7 1 5 (1)

3、 5 (1) 2 6 7 2 16 ( )( ) (6) 6 (42) 8 3 2 2 1 74 7 (3)3 ( )18 3 3 6 3 8 4 1 1 1 ( ) ( )3 ( )(5 ) 2 21 3 20 2 5 8 1 4 6 (13) 6 (13) 7 21 7 4 16 ( )( ) (96) 20 (9) 8 5 4 5 3 107 9 (2)2 ( )36 4 4 9 1 12 1 1 1 4 ( ) ( )2 ( )(2 ) 2 4 3 60 6 5 6 15 1 3 (2) 2 (2) 7 14 9 2 16 ( )( ) (114) 14 (30) 8 3 2 1 1

4、18 3 (3)2 ( )8 2 2 4 1 10 3 1 1 2 ( ) ( )3 ( )(4 ) 2 2 2 12 2 3 1 20 6 9 (19) 5 (19) 7 21 1 6 12 ( )( ) (108) 2 (51) 6 7 6 5 1 17 5 (2)3 ( )24 6 6 4 3 12 3 1 5 1 ( ) ( )2 ( )(4 ) 2 18 2 40 4 5 4 9 3 6 (20) 4 (20) 5 10 1 4 16 ( )( ) (48) 18 (51) 8 5 4 7 9 103 9 (2)2 ( )72 8 8 9 1 18 3 1 1 4 ( ) ( )2

5、( )(6 ) 3 9 2 20 2 5 4 8 3 1 (18) 5 (18) 3 9 1 6 12 ( )( ) (84) 6 (33) 6 7 6 1 1 94 7 (3)3 ( )64 8 8 8 1 12 3 1 1 1 ( ) ( )3 ( )(4 ) 2 3 2 20 2 5 5 17 9 4 (10) 5 (10) 6 18 7 2 16 ( )( ) (120) 2 (12) 8 3 2 1 1 84 3 (2)2 ( )18 2 2 9 2 12 1 1 1 1 ( ) ( )2 ( )(2 ) 3 18 2 24 4 3 3 7 8 6 (20) 4 (20) 4 8 3

6、 2 4 ( )( ) (78) 10 (39) 2 3 2 2 4 16 3 (1)2 ( )6 3 3 2 1 8 2 1 3 4 ( ) ( )3 ( )(5 ) 2 9 3 12 2 3 1 1 4 2 (7) 6 (7) 9 18 5 6 8 ( )( ) (54) 2 (36) 4 7 6 1 1 57 6 (3)2 ( )32 8 8 4 1 10 1 1 3 1 ( ) ( )3 ( )(4 ) 2 2 3 12 2 3 6 1 4 2 (19) 9 (19) 7 14 1 4 16 ( )( ) (18) 4 (42) 8 5 4 1 8 56 7 (1)2 ( )36 9

7、9 4 1 18 2 1 1 1 ( ) ( )2 ( )(3 ) 2 3 3 12 2 3 1 13 3 7 (6) 9 (6) 7 14 9 2 16 ( )( ) (12) 16 (9) 8 3 2 7 5 49 2 (2)2 ( )30 6 6 5 3 8 2 1 1 4 ( ) ( )2 ( )(3 ) 2 15 3 40 4 5 1 1 1 3 (3) 2 (3) 2 6 7 6 12 ( )( ) (6) 2 (3) 6 7 6 1 10 35 5 (2)2 ( )36 9 9 4 4 21 1 1 1 2 ( ) ( )3 ( )(5 ) 3 8 2 36 6 3 5 1 5

8、7 (19) 3 (19) 4 12 1 4 8 ( )( ) (78) 20 (57) 4 5 4 1 1 19 9 (1)3 ( )35 5 5 7 1 10 4 1 3 4 ( ) ( )3 ( )(3 ) 2 7 3 20 2 5 3 1 2 8 (5) 8 (5) 2 4 1 6 12 ( )( ) (114) 2 (12) 6 7 6 5 3 52 4 (2)2 ( )24 4 4 6 2 15 2 1 3 2 ( ) ( )2 ( )(5 ) 3 6 3 12 2 3 1 1 3 7 (3) 5 (3) 2 4 3 2 4 ( )( ) (36) 8 (18) 2 3 2 8 8

9、 48 6 (3)2 ( )21 7 7 3 3 6 4 1 1 1 ( ) ( )3 ( )(6 ) 2 27 3 60 6 5 1 19 4 4 (12) 8 (12) 9 18 7 6 16 ( )( ) (48) 4 (12) 8 7 6 3 1 46 2 (1)2 ( )6 2 2 3 1 9 1 1 5 1 ( ) ( )2 ( )(2 ) 3 9 3 40 4 5 2 1 2 6 (4) 7 (4) 3 6 1 6 4 ( )( ) (66) 4 (48) 2 7 6 8 10 79 8 (2)2 ( )54 9 9 6 1 18 2 1 1 4 ( ) ( )3 ( )(3 )

10、 2 9 3 12 2 3 1 1 3 7 (14) 7 (14) 9 18 7 4 12 ( )( ) (30) 4 (30) 6 5 4 1 6 105 1 (1)3 ( )45 5 5 9 1 27 1 1 1 2 ( ) ( )3 ( )(2 ) 3 6 2 12 2 3 1 5 9 4 (5) 6 (5) 3 6 3 6 4 ( )( ) (84) 10 (33) 2 7 6 8 8 26 4 (2)3 ( )27 9 9 3 4 24 1 1 3 1 ( ) ( )2 ( )(5 ) 3 36 3 24 4 3 5 1 3 9 (5) 7 (5) 4 12 3 6 4 ( )( ) (90) 4 (21) 2 7 6 10 1 65 4 (3)2 ( )63 9 9 7 1 24 1 1 1 1 ( ) ( )2 ( )(5 ) 3