七年级数学上册有理数计算题精练 126.docx

1、七年级数学上册有理数计算题精练 126 8 1 13 1 (2)2 ( )18 9 9 2 1 15 1 1 1 4 ( ) ( )3 ( )(3 ) 3 4 3 36 6 3 1 1 6 4 (3) 7 (3) 6 18 3 5 2 ( )( ) (66) 2 (6) 2 3 5 1 4 67 8 (3)2 ( )21 3 3 7 3 18 1 1 3 4 ( ) ( )2 ( )(2 ) 2 21 2 24 4 3 1 1 5 6 (15) 3 (15) 3 9 1 5 8 ( )( ) (12) 10 (27) 8 3 5 1 5 18 2 (1)2 ( )12 6 6 2 2 6 2

2、1 3 4 ( ) ( )2 ( )(6 ) 3 16 3 20 2 5 6 11 1 1 (18) 8 (18) 5 10 1 7 8 ( )( ) (30) 20 (48) 8 5 7 1 1 17 3 (1)3 ( )40 5 5 8 1 6 1 1 1 1 ( ) ( )2 ( )(6 ) 2 2 2 60 6 5 1 1 6 9 (13) 7 (13) 2 4 3 9 2 ( )( ) (42) 4 (54) 2 7 9 10 10 64 2 (2)3 ( )45 9 9 5 1 9 1 1 3 1 ( ) ( )3 ( )(5 ) 3 7 2 40 4 5 1 16 1 3 (4)

3、 6 (4) 5 15 7 7 8 ( )( ) (66) 14 (15) 8 5 7 4 1 74 1 (3)3 ( )30 5 5 6 4 24 1 1 1 1 ( ) ( )2 ( )(5 ) 3 28 3 12 2 3 1 9 6 4 (11) 7 (11) 4 8 1 5 4 ( )( ) (72) 2 (33) 4 3 5 1 4 59 2 (1)2 ( )30 5 5 6 2 15 1 1 3 1 ( ) ( )2 ( )(6 ) 3 16 3 20 2 5 2 10 4 3 (17) 9 (17) 3 9 5 9 6 ( )( ) (54) 10 (3) 6 7 9 4 1 1

4、4 2 (1)2 ( )6 3 3 2 4 15 1 1 5 1 ( ) ( )2 ( )(5 ) 3 24 2 60 6 5 3 5 2 9 (15) 8 (15) 2 6 5 5 4 ( )( ) (108) 20 (54) 4 3 5 8 1 82 7 (1)3 ( )81 9 9 9 2 21 1 1 1 6 ( ) ( )3 ( )(3 ) 3 14 2 20 2 5 1 1 5 3 (12) 7 (12) 9 18 1 7 2 ( )( ) (84) 2 (36) 2 5 7 1 1 92 4 (3)2 ( )72 9 9 8 2 6 1 1 3 1 ( ) ( )2 ( )(2

5、) 3 8 2 12 2 3 8 1 6 9 (15) 4 (15) 9 18 1 9 4 ( )( ) (48) 12 (33) 4 7 9 6 4 18 1 (1)3 ( )10 5 5 2 3 18 1 1 1 6 ( ) ( )2 ( )(6 ) 2 9 3 40 4 5 1 1 1 1 (9) 5 (9) 4 12 1 9 8 ( )( ) (24) 18 (51) 8 7 9 6 8 85 6 (2)2 ( )49 7 7 7 2 9 2 1 1 2 ( ) ( )2 ( )(6 ) 3 10 3 24 4 3 8 1 5 3 (11) 3 (11) 9 18 1 7 6 ( )(

6、 ) (24) 8 (12) 6 5 7 3 5 18 9 (3)2 ( )28 4 4 7 1 27 1 1 1 1 ( ) ( )3 ( )(3 ) 3 8 2 12 2 3 1 23 8 2 (15) 8 (15) 8 24 5 5 4 ( )( ) (18) 16 (6) 4 3 5 1 8 34 6 (2)2 ( )18 9 9 2 3 10 2 1 5 6 ( ) ( )2 ( )(6 ) 2 27 3 60 6 5 4 9 6 6 (19) 8 (19) 5 10 1 5 6 ( )( ) (18) 4 (21) 6 3 5 4 2 16 6 (2)3 ( )18 3 3 6 1

7、 8 1 1 5 4 ( ) ( )2 ( )(6 ) 2 4 3 40 4 5 8 22 6 7 (1) 7 (1) 7 21 1 5 2 ( )( ) (24) 8 (42) 2 3 5 1 1 23 5 (1)2 ( )6 2 2 3 4 18 1 1 1 4 ( ) ( )3 ( )(3 ) 3 16 2 20 2 5 1 23 1 6 (20) 9 (20) 8 24 1 7 8 ( )( ) (6) 14 (6) 8 5 7 1 1 86 1 (1)3 ( )21 3 3 7 2 9 1 1 3 1 ( ) ( )3 ( )(5 ) 3 12 3 24 4 3 2 8 3 2 (1

8、) 8 (1) 3 9 7 7 8 ( )( ) (96) 14 (15) 8 5 7 3 5 19 9 (1)2 ( )32 4 4 8 3 8 1 1 3 1 ( ) ( )2 ( )(4 ) 2 21 2 20 2 5 1 5 5 8 (9) 6 (9) 2 6 7 9 8 ( )( ) (12) 14 (42) 8 7 9 7 1 49 4 (3)2 ( )24 8 8 3 3 4 1 1 3 4 ( ) ( )3 ( )(2 ) 2 27 3 40 4 5 8 1 3 6 (3) 7 (3) 9 18 1 9 4 ( )( ) (42) 8 (33) 4 7 9 3 5 43 9 (

9、3)2 ( )12 4 4 3 1 18 1 1 1 1 ( ) ( )3 ( )(2 ) 2 5 3 60 6 5 3 3 8 5 (4) 2 (4) 2 4 3 9 4 ( )( ) (12) 10 (54) 4 7 9 9 7 58 7 (2)3 ( )32 8 8 4 1 12 1 1 1 1 ( ) ( )2 ( )(4 ) 2 6 2 60 6 5 1 1 2 9 (16) 3 (16) 3 9 7 5 8 ( )( ) (6) 8 (57) 8 3 5 7 1 83 7 (2)3 ( )56 8 8 7 3 14 1 1 3 1 ( ) ( )3 ( )(4 ) 2 12 3 4

10、0 4 5 3 11 9 1 (16) 2 (16) 4 12 7 9 8 ( )( ) (54) 20 (15) 8 7 9 1 3 73 6 (2)2 ( )24 4 4 6 3 10 1 1 1 1 ( ) ( )3 ( )(4 ) 2 6 2 24 4 3 4 8 3 3 (13) 2 (13) 3 9 1 7 8 ( )( ) (120) 2 (54) 8 5 7 4 1 14 4 (2)2 ( )6 3 3 2 4 21 1 1 7 2 ( ) ( )2 ( )(3 ) 3 24 3 36 6 3 10 1 2 3 (12) 6 (12) 9 18 7 9 8 ( )( ) (30) 16 (18) 8 7 9 8 1 14 8 (2)2 ( )28 7 7 4 4 21 1 1 3 2 ( ) ( )3 ( )(4 ) 3 36 3 24 4