七年级数学上册有理数计算题专项训练 67.docx

1、七年级数学上册有理数计算题专项训练 67 5 4 8 ( )( ) (48) 4 (60) 4 5 4 3 1 52 8 (2)2 ( )24 4 4 6 4 27 3 1 7 4 ( ) ( )3 ( )(3 ) 3 28 2 60 6 5 3 5 9 8 (13) 6 (13) 2 4 7 6 12 ( )( ) (60) 6 (18) 6 7 6 8 8 15 2 (1)3 ( )63 9 9 7 4 18 3 1 3 4 ( ) ( )2 ( )(2 ) 3 20 2 12 2 3 4 9 4 2 (10) 1 (10) 5 10 1 4 8 ( )( ) (102) 16 (45)

2、4 5 4 1 1 19 3 (1)2 ( )48 6 6 8 3 16 4 1 7 1 ( ) ( )2 ( )(3 ) 2 9 3 36 6 3 3 13 7 3 (1) 9 (1) 4 12 1 6 16 ( )( ) (36) 12 (57) 8 7 6 5 3 62 1 (2)3 ( )28 4 4 7 1 16 1 1 1 4 ( ) ( )2 ( )(6 ) 2 7 2 12 2 3 5 7 8 1 (18) 6 (18) 4 8 5 4 8 ( )( ) (60) 14 (60) 4 5 4 7 7 47 9 (2)3 ( )40 8 8 5 2 3 1 1 7 6 ( ) (

3、 )2 ( )(2 ) 3 10 2 60 6 5 6 11 8 6 (7) 3 (7) 5 10 1 2 12 ( )( ) (120) 10 (18) 6 3 2 4 6 97 3 (2)2 ( )40 5 5 8 4 18 1 1 1 4 ( ) ( )2 ( )(5 ) 3 24 3 40 4 5 1 7 7 4 (19) 1 (19) 3 6 1 4 12 ( )( ) (102) 12 (45) 6 5 4 1 1 84 5 (3)3 ( )14 2 2 7 1 8 1 1 1 4 ( ) ( )3 ( )(5 ) 2 6 2 60 6 5 7 17 3 8 (7) 9 (7) 6

4、 18 1 6 16 ( )( ) (84) 2 (57) 8 7 6 4 1 58 2 (3)3 ( )12 3 3 4 2 12 1 1 7 2 ( ) ( )2 ( )(4 ) 3 16 3 36 6 3 4 5 2 3 (20) 3 (20) 3 6 1 4 4 ( )( ) (120) 10 (9) 2 5 4 7 9 19 3 (2)2 ( )48 8 8 6 3 8 4 1 7 6 ( ) ( )2 ( )(5 ) 2 12 3 60 6 5 10 19 1 6 (2) 8 (2) 9 18 5 4 12 ( )( ) (120) 12 (3) 6 5 4 1 6 13 9 (3

5、)3 ( )49 7 7 7 1 2 1 1 7 2 ( ) ( )2 ( )(6 ) 2 4 2 36 6 3 2 7 8 1 (11) 8 (11) 3 6 9 6 16 ( )( ) (90) 2 (9) 8 7 6 1 1 37 9 (1)3 ( )18 9 9 2 1 6 3 1 7 1 ( ) ( )2 ( )(4 ) 2 4 2 60 6 5 8 1 8 7 (16) 7 (16) 9 18 5 6 8 ( )( ) (24) 2 (60) 4 7 6 9 7 16 6 (1)3 ( )16 8 8 2 3 14 2 1 1 6 ( ) ( )3 ( )(4 ) 2 9 3 40 4 5 1 1 9 9 (3) 5 (3) 3 9 1 4 16 ( )( ) (24) 12 (15) 8 5 4