七年级数学上册有理数计算题精练 122.docx

1、七年级数学上册有理数计算题精练 122 1 1 14 6 (3)3 ( )42 6 6 7 2 9 1 1 1 4 ( ) ( )3 ( )(4 ) 3 16 2 40 4 5 4 16 8 9 (12) 2 (12) 5 15 1 7 4 ( )( ) (114) 10 (45) 4 5 7 6 1 48 4 (2)3 ( )15 5 5 3 1 10 1 1 3 6 ( ) ( )2 ( )(2 ) 2 3 3 40 4 5 1 1 4 9 (1) 1 (1) 2 4 1 5 2 ( )( ) (48) 6 (24) 2 3 5 5 1 43 8 (1)3 ( )12 4 4 3 1 10

2、 1 1 1 6 ( ) ( )3 ( )(4 ) 2 4 2 60 6 5 4 1 5 8 (1) 3 (1) 3 6 7 5 6 ( )( ) (24) 4 (12) 6 3 5 6 6 16 9 (2)2 ( )30 5 5 6 1 3 2 1 1 1 ( ) ( )3 ( )(2 ) 3 8 3 60 6 5 1 9 6 3 (1) 4 (1) 5 10 1 7 6 ( )( ) (24) 2 (6) 6 5 7 4 1 86 9 (3)3 ( )45 5 5 9 1 3 1 1 1 1 ( ) ( )2 ( )(3 ) 3 5 2 24 4 3 1 11 2 9 (1) 3 (1)

3、5 10 9 7 8 ( )( ) (84) 6 (45) 8 5 7 1 2 17 4 (2)3 ( )15 3 3 5 1 12 1 1 1 1 ( ) ( )2 ( )(3 ) 2 4 3 36 6 3 5 13 8 2 (16) 8 (16) 4 12 1 5 2 ( )( ) (36) 4 (54) 2 3 5 10 10 32 4 (2)3 ( )18 9 9 2 2 18 1 1 1 1 ( ) ( )3 ( )(6 ) 3 4 2 12 2 3 4 7 6 9 (19) 1 (19) 3 6 1 5 2 ( )( ) (78) 12 (24) 2 3 5 10 1 93 9 (

4、2)3 ( )72 9 9 8 2 18 2 1 5 1 ( ) ( )3 ( )(2 ) 3 6 3 24 4 3 1 5 4 1 (10) 2 (10) 2 4 1 7 2 ( )( ) (6) 20 (3) 2 5 7 1 1 73 8 (1)3 ( )36 6 6 6 1 6 1 1 1 1 ( ) ( )2 ( )(6 ) 2 6 2 40 4 5 1 7 5 3 (2) 6 (2) 2 6 1 9 6 ( )( ) (102) 18 (57) 6 7 9 1 1 89 5 (3)2 ( )18 2 2 9 3 2 1 1 7 1 ( ) ( )3 ( )(6 ) 2 18 2 60

5、 6 5 1 22 5 6 (20) 8 (20) 7 21 1 7 2 ( )( ) (12) 18 (48) 2 5 7 4 1 13 6 (2)2 ( )40 5 5 8 3 18 2 1 7 1 ( ) ( )2 ( )(2 ) 2 24 3 60 6 5 2 1 4 5 (2) 7 (2) 3 6 7 5 8 ( )( ) (96) 18 (48) 8 3 5 2 1 74 3 (2)2 ( )18 3 3 6 4 18 2 1 1 4 ( ) ( )2 ( )(5 ) 3 32 3 60 6 5 10 1 9 5 (15) 8 (15) 9 27 1 5 2 ( )( ) (120

6、) 10 (9) 2 3 5 6 1 34 2 (1)3 ( )28 7 7 4 1 9 1 1 3 2 ( ) ( )3 ( )(3 ) 3 3 2 24 4 3 7 1 9 2 (8) 4 (8) 6 12 1 9 6 ( )( ) (66) 14 (18) 6 7 9 1 1 19 4 (3)2 ( )32 8 8 4 1 2 1 1 5 4 ( ) ( )2 ( )(4 ) 2 3 2 24 4 3 9 1 4 9 (1) 5 (1) 8 16 1 5 2 ( )( ) (66) 2 (18) 2 3 5 1 8 72 1 (2)2 ( )54 9 9 6 2 9 1 1 3 1 (

7、) ( )3 ( )(4 ) 3 8 2 20 2 5 4 8 9 1 (13) 8 (13) 3 9 1 9 8 ( )( ) (72) 10 (39) 8 7 9 1 8 15 2 (1)2 ( )49 7 7 7 1 12 1 1 1 1 ( ) ( )3 ( )(3 ) 2 8 3 20 2 5 5 17 4 7 (10) 1 (10) 6 18 1 7 4 ( )( ) (114) 12 (51) 4 5 7 1 9 17 4 (3)2 ( )64 8 8 8 1 27 2 1 3 1 ( ) ( )3 ( )(5 ) 3 4 3 20 2 5 1 13 6 6 (13) 8 (13

8、) 4 12 1 7 6 ( )( ) (114) 4 (12) 6 5 7 6 1 19 4 (1)2 ( )56 7 7 8 1 8 2 1 3 1 ( ) ( )3 ( )(5 ) 2 2 3 24 4 3 7 1 4 1 (7) 2 (7) 8 24 1 5 6 ( )( ) (36) 4 (3) 6 3 5 9 1 47 3 (1)3 ( )40 8 8 5 2 3 1 1 1 6 ( ) ( )3 ( )(5 ) 3 12 2 60 6 5 6 14 1 6 (11) 9 (11) 5 15 1 9 6 ( )( ) (102) 14 (15) 6 7 9 6 4 64 8 (2)

9、2 ( )35 5 5 7 1 12 1 1 1 4 ( ) ( )3 ( )(4 ) 2 9 3 24 4 3 4 7 4 6 (9) 2 (9) 3 6 7 9 8 ( )( ) (30) 20 (24) 8 7 9 1 7 52 7 (2)2 ( )36 6 6 6 1 16 1 1 1 4 ( ) ( )2 ( )(5 ) 2 3 3 12 2 3 1 5 1 4 (18) 8 (18) 2 4 1 9 6 ( )( ) (90) 2 (27) 6 7 9 10 8 17 5 (2)2 ( )63 9 9 7 3 16 1 1 1 4 ( ) ( )2 ( )(4 ) 2 6 2 12

10、 2 3 1 26 3 1 (4) 4 (4) 9 27 1 9 6 ( )( ) (12) 18 (12) 6 7 9 9 1 17 6 (1)2 ( )56 8 8 7 3 16 1 1 3 1 ( ) ( )3 ( )(6 ) 2 6 3 12 2 3 8 19 2 6 (16) 2 (16) 9 18 9 5 8 ( )( ) (114) 4 (12) 8 3 5 8 8 18 6 (3)3 ( )81 9 9 9 4 18 1 1 7 4 ( ) ( )2 ( )(2 ) 3 16 2 60 6 5 9 1 4 5 (14) 6 (14) 8 24 1 5 6 ( )( ) (114) 6 (30) 6 3 5 1 2 18 3 (1)2 ( )9 3 3 3 1 18 1 1 1 1 ( ) ( )2 ( )(6 ) 3 4 2 60 6 5