七年级数学上册有理数计算题精练 53.docx

1、七年级数学上册有理数计算题精练 53 1 3 69 9 (3)3 ( )10 2 2 5 2 15 1 1 5 4 ( ) ( )3 ( )(4 ) 3 6 2 24 4 3 4 10 1 8 (8) 6 (8) 3 9 3 5 2 ( )( ) (18) 6 (12) 2 3 5 7 7 18 4 (3)2 ( )48 6 6 8 1 27 1 1 7 1 ( ) ( )3 ( )(2 ) 3 3 2 60 6 5 7 17 4 8 (16) 1 (16) 6 18 9 7 8 ( )( ) (24) 10 (48) 8 5 7 7 1 13 2 (3)2 ( )12 6 6 2 4 18

2、1 1 3 1 ( ) ( )3 ( )(5 ) 3 12 2 40 4 5 10 1 6 3 (20) 2 (20) 9 27 1 7 2 ( )( ) (120) 6 (45) 2 5 7 1 1 93 4 (2)2 ( )32 4 4 8 3 2 1 1 3 4 ( ) ( )2 ( )(4 ) 2 24 2 12 2 3 1 17 6 2 (10) 1 (10) 9 18 1 9 6 ( )( ) (30) 2 (6) 6 7 9 8 8 26 4 (3)3 ( )21 7 7 3 1 16 1 1 1 4 ( ) ( )2 ( )(5 ) 2 4 2 20 2 5 6 1 8 5 (

3、2) 6 (2) 7 21 5 5 4 ( )( ) (36) 10 (12) 4 3 5 4 6 99 2 (2)2 ( )40 5 5 8 1 12 2 1 1 1 ( ) ( )3 ( )(2 ) 2 5 3 20 2 5 3 1 1 4 (17) 3 (17) 4 12 7 9 6 ( )( ) (60) 16 (36) 6 7 9 1 3 98 2 (3)3 ( )16 2 2 8 4 6 1 1 1 6 ( ) ( )2 ( )(5 ) 3 28 2 20 2 5 2 1 4 2 (3) 3 (3) 3 9 1 5 2 ( )( ) (6) 2 (9) 2 3 5 1 1 98 8

4、 (3)3 ( )40 5 5 8 3 4 1 1 1 6 ( ) ( )2 ( )(4 ) 2 6 2 20 2 5 7 13 9 7 (18) 4 (18) 6 12 1 9 6 ( )( ) (66) 14 (54) 6 7 9 1 5 47 5 (1)2 ( )20 4 4 5 1 12 1 1 1 6 ( ) ( )3 ( )(3 ) 3 6 2 60 6 5 1 11 3 5 (19) 9 (19) 6 12 7 7 8 ( )( ) (108) 10 (21) 8 5 7 3 1 27 9 (3)2 ( )6 2 2 3 1 2 1 1 1 4 ( ) ( )2 ( )(3 )

5、2 5 2 12 2 3 1 13 6 8 (13) 5 (13) 6 12 1 9 6 ( )( ) (42) 20 (36) 6 7 9 1 1 66 2 (3)3 ( )42 6 6 7 1 16 1 1 5 6 ( ) ( )3 ( )(3 ) 2 3 2 40 4 5 5 1 9 8 (8) 6 (8) 6 18 1 9 8 ( )( ) (120) 12 (30) 8 7 9 5 5 17 7 (3)2 ( )24 4 4 6 3 14 2 1 1 4 ( ) ( )2 ( )(6 ) 2 24 3 20 2 5 1 1 6 6 (7) 7 (7) 9 18 1 9 2 ( )(

6、) (72) 2 (3) 2 7 9 8 10 34 1 (3)3 ( )18 9 9 2 1 2 2 1 5 4 ( ) ( )2 ( )(4 ) 2 8 3 40 4 5 9 1 7 2 (4) 5 (4) 8 24 3 7 2 ( )( ) (48) 2 (57) 2 5 7 1 7 42 7 (3)3 ( )40 8 8 5 1 14 1 1 1 1 ( ) ( )3 ( )(4 ) 2 6 2 60 6 5 1 11 8 8 (17) 4 (17) 4 12 1 5 6 ( )( ) (90) 2 (60) 6 3 5 1 1 108 5 (1)3 ( )18 2 2 9 1 2 1

7、 1 1 4 ( ) ( )3 ( )(3 ) 2 9 3 60 6 5 7 1 8 1 (3) 4 (3) 8 24 7 5 8 ( )( ) (96) 2 (45) 8 3 5 2 4 25 7 (1)3 ( )9 3 3 3 1 27 1 1 5 1 ( ) ( )2 ( )(3 ) 3 6 2 36 6 3 6 13 1 9 (7) 5 (7) 7 14 9 7 8 ( )( ) (48) 12 (3) 8 5 7 1 4 82 9 (1)3 ( )45 5 5 9 2 15 1 1 3 1 ( ) ( )3 ( )(2 ) 3 16 3 40 4 5 1 25 9 9 (14) 7

8、(14) 8 24 3 7 2 ( )( ) (66) 10 (42) 2 5 7 1 1 27 6 (2)3 ( )24 8 8 3 2 3 1 1 1 6 ( ) ( )2 ( )(6 ) 3 14 2 60 6 5 1 23 9 1 (20) 2 (20) 8 24 1 5 4 ( )( ) (78) 2 (60) 4 3 5 3 3 85 1 (3)3 ( )18 2 2 9 2 3 1 1 3 1 ( ) ( )2 ( )(2 ) 3 8 3 24 4 3 8 20 4 3 (10) 9 (10) 7 21 1 9 4 ( )( ) (66) 8 (42) 4 7 9 1 6 15

9、4 (1)2 ( )35 5 5 7 1 8 2 1 3 6 ( ) ( )3 ( )(4 ) 2 6 3 40 4 5 1 20 1 3 (12) 3 (12) 7 21 5 7 4 ( )( ) (30) 18 (60) 4 5 7 1 3 17 5 (2)2 ( )14 2 2 7 2 12 1 1 1 4 ( ) ( )2 ( )(4 ) 3 14 2 60 6 5 1 3 9 3 (20) 1 (20) 2 4 3 9 2 ( )( ) (102) 14 (54) 2 7 9 1 1 98 5 (1)3 ( )16 2 2 8 4 6 1 1 5 2 ( ) ( )2 ( )(6 )

10、 3 8 3 24 4 3 1 20 7 8 (11) 8 (11) 7 21 1 7 2 ( )( ) (30) 16 (15) 2 5 7 3 1 57 8 (2)2 ( )12 2 2 6 1 4 2 1 3 2 ( ) ( )3 ( )(3 ) 2 4 3 12 2 3 1 1 6 1 (12) 4 (12) 7 14 5 9 4 ( )( ) (54) 18 (54) 4 7 9 3 1 15 8 (2)2 ( )8 2 2 4 1 18 1 1 1 1 ( ) ( )2 ( )(4 ) 3 2 2 24 4 3 7 17 3 4 (18) 2 (18) 6 18 1 7 2 ( )( ) (6) 6 (33) 2 5 7 6 6 16 4 (2)3 ( )63 7 7 9 4 9 1 1 1 2 ( ) ( )2 ( )(4 ) 3 24 2 36 6 3