七年级数学上册有理数计算题精练 119.docx

1、七年级数学上册有理数计算题精练 119 1 28 5 5 (9) 3 (9) 9 27 1 7 6 ( )( ) (78) 12 (54) 6 5 7 7 9 63 8 (1)2 ( )56 8 8 7 4 27 1 1 5 4 ( ) ( )3 ( )(5 ) 3 16 2 24 4 3 8 15 3 7 (19) 8 (19) 7 14 1 7 2 ( )( ) (114) 8 (36) 2 5 7 1 1 15 3 (2)2 ( )15 3 3 5 1 6 2 1 1 4 ( ) ( )3 ( )(4 ) 2 2 3 12 2 3 1 1 1 9 (8) 9 (8) 3 6 1 5 8

2、( )( ) (48) 10 (57) 8 3 5 1 1 74 9 (2)2 ( )16 2 2 8 1 18 1 1 3 4 ( ) ( )3 ( )(6 ) 3 2 2 12 2 3 1 20 2 4 (14) 1 (14) 7 21 7 9 8 ( )( ) (6) 6 (33) 8 7 9 2 1 93 3 (2)3 ( )24 3 3 8 4 3 1 1 1 2 ( ) ( )2 ( )(6 ) 3 24 3 36 6 3 5 19 5 6 (18) 2 (18) 6 18 1 5 2 ( )( ) (36) 6 (12) 2 3 5 1 1 33 5 (2)2 ( )4 2 2

3、2 3 10 1 1 5 4 ( ) ( )2 ( )(4 ) 2 27 2 24 4 3 1 1 6 6 (12) 3 (12) 5 15 1 7 6 ( )( ) (120) 18 (21) 6 5 7 10 1 87 9 (1)3 ( )81 9 9 9 3 4 2 1 1 1 ( ) ( )3 ( )(6 ) 2 21 3 12 2 3 6 20 2 5 (3) 4 (3) 7 21 3 7 4 ( )( ) (6) 18 (54) 4 5 7 5 5 18 3 (2)2 ( )30 6 6 5 1 24 1 1 7 4 ( ) ( )3 ( )(2 ) 3 5 3 60 6 5 1

4、1 6 8 (17) 1 (17) 7 14 1 9 8 ( )( ) (42) 2 (42) 8 7 9 8 8 19 7 (3)3 ( )45 9 9 5 1 16 1 1 5 1 ( ) ( )3 ( )(6 ) 2 2 2 40 4 5 8 26 3 8 (18) 2 (18) 9 27 1 9 6 ( )( ) (114) 14 (9) 6 7 9 7 1 54 2 (2)3 ( )32 8 8 4 1 3 1 1 1 6 ( ) ( )3 ( )(6 ) 3 2 2 20 2 5 9 17 2 6 (20) 7 (20) 8 16 1 5 8 ( )( ) (78) 8 (12)

5、8 3 5 1 1 83 8 (2)3 ( )56 8 8 7 3 14 1 1 1 1 ( ) ( )2 ( )(4 ) 2 21 2 12 2 3 1 1 8 9 (16) 3 (16) 9 27 1 7 6 ( )( ) (18) 10 (57) 6 5 7 1 1 18 2 (1)3 ( )18 9 9 2 3 4 1 1 1 4 ( ) ( )2 ( )(2 ) 2 6 2 36 6 3 5 19 1 2 (1) 8 (1) 6 18 1 7 6 ( )( ) (36) 2 (3) 6 5 7 5 5 17 9 (2)2 ( )8 4 4 2 1 4 1 1 1 1 ( ) ( )3

6、 ( )(2 ) 2 8 2 20 2 5 6 1 3 4 (3) 9 (3) 7 21 3 7 4 ( )( ) (114) 12 (6) 4 5 7 2 1 49 8 (1)2 ( )15 3 3 5 1 18 1 1 1 1 ( ) ( )2 ( )(6 ) 3 8 3 36 6 3 3 1 2 9 (1) 7 (1) 4 12 7 7 6 ( )( ) (60) 20 (36) 6 5 7 1 1 18 7 (2)3 ( )6 3 3 2 1 27 2 1 1 1 ( ) ( )2 ( )(4 ) 3 9 3 20 2 5 1 1 1 1 (15) 6 (15) 2 6 9 9 8 (

7、 )( ) (42) 16 (60) 8 7 9 1 9 17 3 (3)2 ( )72 8 8 9 4 9 1 1 1 1 ( ) ( )2 ( )(5 ) 3 12 2 36 6 3 6 1 2 7 (20) 3 (20) 5 15 1 5 2 ( )( ) (42) 8 (15) 2 3 5 1 1 86 7 (3)2 ( )81 9 9 9 4 18 1 1 7 6 ( ) ( )2 ( )(6 ) 3 24 2 60 6 5 1 7 5 1 (14) 2 (14) 3 6 1 7 4 ( )( ) (72) 10 (30) 4 5 7 1 1 42 8 (3)3 ( )45 9 9

8、5 1 6 1 1 1 4 ( ) ( )2 ( )(3 ) 2 2 2 12 2 3 2 1 2 4 (18) 4 (18) 3 9 1 7 6 ( )( ) (18) 4 (24) 6 5 7 7 7 53 1 (2)2 ( )36 6 6 6 1 12 1 1 3 4 ( ) ( )2 ( )(5 ) 3 2 2 20 2 5 6 14 9 8 (1) 2 (1) 5 15 5 7 6 ( )( ) (108) 14 (57) 6 5 7 4 4 62 4 (1)3 ( )15 3 3 5 1 21 2 1 3 2 ( ) ( )3 ( )(2 ) 3 9 3 24 4 3 1 1 2

9、3 (16) 6 (16) 3 6 1 9 6 ( )( ) (72) 8 (24) 6 7 9 1 1 36 9 (3)2 ( )28 7 7 4 3 2 1 1 1 4 ( ) ( )3 ( )(2 ) 2 18 3 20 2 5 1 13 1 8 (4) 9 (4) 7 14 1 5 6 ( )( ) (90) 2 (9) 6 3 5 1 1 77 7 (3)3 ( )24 4 4 6 4 27 1 1 3 6 ( ) ( )3 ( )(2 ) 3 32 2 40 4 5 3 7 2 3 (2) 7 (2) 4 8 1 9 6 ( )( ) (108) 12 (24) 6 7 9 1 1

10、0 76 6 (1)2 ( )54 9 9 6 3 18 2 1 5 1 ( ) ( )2 ( )(2 ) 2 21 3 60 6 5 7 13 4 5 (5) 8 (5) 6 12 1 9 6 ( )( ) (48) 10 (57) 6 7 9 2 2 15 3 (2)2 ( )6 3 3 2 1 27 2 1 7 4 ( ) ( )2 ( )(4 ) 3 3 3 36 6 3 1 7 3 7 (17) 5 (17) 4 8 1 9 4 ( )( ) (108) 8 (57) 4 7 9 3 1 33 8 (2)2 ( )16 4 4 4 1 18 1 1 3 1 ( ) ( )2 ( )(6 ) 2 4 2 24 4 3 6 1 9 6 (3) 1 (3) 5 10 1 5 8 ( )( ) (66) 10 (6) 8 3 5