七年级数学上册有理数计算题精练 32.docx

1、七年级数学上册有理数计算题精练 32 1 20 9 2 (17) 9 (17) 7 21 1 9 8 ( )( ) (12) 16 (6) 8 7 9 1 1 19 3 (3)2 ( )12 6 6 2 1 21 1 1 1 4 ( ) ( )2 ( )(2 ) 3 9 2 20 2 5 1 1 2 1 (14) 1 (14) 3 6 1 5 4 ( )( ) (24) 20 (57) 4 3 5 1 2 88 8 (3)2 ( )21 3 3 7 4 3 1 1 1 2 ( ) ( )3 ( )(4 ) 3 16 3 12 2 3 1 1 7 5 (7) 1 (7) 8 16 1 7 2 (

2、 )( ) (90) 14 (39) 2 5 7 1 3 19 4 (2)3 ( )20 4 4 5 1 14 1 1 5 1 ( ) ( )2 ( )(2 ) 2 9 2 60 6 5 5 11 5 8 (19) 2 (19) 6 12 1 9 4 ( )( ) (6) 2 (9) 4 7 9 9 1 14 7 (3)2 ( )72 8 8 9 4 24 1 1 3 1 ( ) ( )2 ( )(4 ) 3 16 2 12 2 3 5 19 6 6 (14) 8 (14) 6 18 1 5 2 ( )( ) (84) 8 (21) 2 3 5 5 3 13 3 (3)2 ( )28 4 4

3、7 4 27 1 1 3 2 ( ) ( )3 ( )(3 ) 3 28 2 24 4 3 10 19 5 3 (2) 9 (2) 9 18 1 5 4 ( )( ) (36) 10 (21) 4 3 5 1 1 75 7 (1)3 ( )12 2 2 6 3 12 1 1 5 1 ( ) ( )3 ( )(4 ) 2 27 2 40 4 5 10 17 7 7 (12) 6 (12) 9 18 1 5 4 ( )( ) (42) 8 (45) 4 3 5 1 1 47 1 (3)2 ( )24 8 8 3 2 9 1 1 7 4 ( ) ( )3 ( )(5 ) 3 18 2 36 6 3

4、5 17 5 5 (18) 7 (18) 6 18 1 7 2 ( )( ) (60) 2 (12) 2 5 7 1 1 89 1 (1)2 ( )63 9 9 7 1 15 2 1 3 1 ( ) ( )2 ( )(5 ) 3 7 3 40 4 5 10 1 9 5 (20) 8 (20) 9 27 1 9 4 ( )( ) (120) 2 (33) 4 7 9 1 3 14 6 (3)2 ( )14 2 2 7 3 4 1 1 5 6 ( ) ( )2 ( )(4 ) 2 27 2 40 4 5 1 26 6 6 (19) 3 (19) 9 27 1 9 2 ( )( ) (108) 10

5、 (27) 2 7 9 6 1 73 2 (2)2 ( )30 5 5 6 4 12 1 1 7 1 ( ) ( )2 ( )(4 ) 3 20 2 60 6 5 2 7 5 8 (13) 7 (13) 3 6 9 7 8 ( )( ) (114) 20 (24) 8 5 7 5 5 106 3 (1)3 ( )54 6 6 9 3 8 1 1 1 1 ( ) ( )3 ( )(6 ) 2 9 2 20 2 5 9 17 9 4 (11) 9 (11) 8 16 3 9 4 ( )( ) (66) 16 (42) 4 7 9 10 10 59 7 (2)2 ( )36 9 9 4 1 24 1

6、 1 5 4 ( ) ( )3 ( )(4 ) 3 7 2 24 4 3 6 1 6 6 (18) 6 (18) 5 10 3 9 4 ( )( ) (102) 20 (42) 4 7 9 6 8 57 8 (1)2 ( )42 7 7 6 1 15 1 1 1 1 ( ) ( )3 ( )(4 ) 3 2 3 40 4 5 8 17 1 6 (14) 2 (14) 9 18 9 9 8 ( )( ) (102) 12 (57) 8 7 9 4 4 55 9 (2)3 ( )18 3 3 6 3 6 1 1 1 4 ( ) ( )3 ( )(4 ) 2 12 2 24 4 3 6 1 6 6

7、(10) 3 (10) 7 14 1 5 8 ( )( ) (108) 12 (3) 8 3 5 7 9 13 3 (3)3 ( )56 8 8 7 1 6 1 1 5 4 ( ) ( )3 ( )(5 ) 2 9 3 36 6 3 3 1 4 2 (11) 5 (11) 2 4 1 5 4 ( )( ) (120) 20 (18) 4 3 5 1 4 66 3 (1)2 ( )21 3 3 7 4 15 1 1 1 1 ( ) ( )2 ( )(6 ) 3 24 3 12 2 3 7 17 6 1 (14) 7 (14) 8 16 5 9 6 ( )( ) (78) 6 (39) 6 7 9

8、 7 1 67 1 (3)3 ( )42 6 6 7 1 10 1 1 3 2 ( ) ( )2 ( )(4 ) 2 9 2 12 2 3 1 3 5 3 (2) 2 (2) 2 4 1 7 4 ( )( ) (84) 16 (54) 4 5 7 6 6 49 2 (3)3 ( )25 5 5 5 2 24 2 1 3 1 ( ) ( )3 ( )(6 ) 3 14 3 24 4 3 3 1 8 6 (17) 3 (17) 2 4 3 5 2 ( )( ) (108) 20 (27) 2 3 5 1 4 17 1 (3)3 ( )45 5 5 9 4 21 1 1 1 1 ( ) ( )2 (

9、 )(4 ) 3 28 3 20 2 5 1 23 5 1 (4) 8 (4) 8 24 1 5 8 ( )( ) (90) 4 (24) 8 3 5 6 8 88 1 (1)3 ( )63 7 7 9 4 6 1 1 3 1 ( ) ( )3 ( )(2 ) 3 36 2 12 2 3 1 1 6 3 (13) 8 (13) 2 6 7 7 6 ( )( ) (60) 2 (36) 6 5 7 1 8 33 2 (3)3 ( )28 7 7 4 1 24 2 1 1 6 ( ) ( )3 ( )(6 ) 3 3 3 60 6 5 1 1 4 1 (4) 6 (4) 7 14 5 7 4 (

10、)( ) (36) 2 (21) 4 5 7 1 1 96 9 (3)2 ( )24 3 3 8 1 14 1 1 5 1 ( ) ( )3 ( )(4 ) 2 3 2 60 6 5 1 1 8 7 (8) 2 (8) 4 8 5 9 6 ( )( ) (42) 18 (24) 6 7 9 8 8 44 9 (1)3 ( )45 9 9 5 4 12 1 1 5 6 ( ) ( )2 ( )(6 ) 3 32 2 60 6 5 1 10 6 1 (10) 5 (10) 3 9 1 7 4 ( )( ) (114) 4 (21) 4 5 7 1 4 15 5 (2)3 ( )30 5 5 6 1 10 2 1 1 1 ( ) ( )3 ( )(4 ) 2 2 3 40 4 5 8 1 3 5 (10) 5 (10) 7 14 7 7 8 ( )( ) (18) 14 (12) 8 5 7