七年级数学上册有理数计算题专项训练 157.docx

1、七年级数学上册有理数计算题专项训练 157 3 2 1 1 1 1 ( ) ( )2 ( )(2 ) 2 9 2 20 2 5 1 10 5 3 (8) 2 (8) 3 9 7 6 12 ( )( ) (54) 16 (60) 6 7 6 1 1 22 8 (3)3 ( )6 2 2 3 4 21 2 1 1 1 ( ) ( )3 ( )(4 ) 3 36 3 20 2 5 5 1 4 4 (19) 1 (19) 6 12 3 4 8 ( )( ) (6) 4 (57) 4 5 4 1 7 73 5 (2)2 ( )64 8 8 8 1 24 4 1 3 1 ( ) ( )2 ( )(6 )

2、3 3 3 20 2 5 1 1 2 1 (20) 9 (20) 2 4 1 2 12 ( )( ) (18) 4 (12) 6 3 2 7 9 83 1 (1)2 ( )72 8 8 9 1 6 1 1 5 6 ( ) ( )3 ( )(5 ) 3 9 2 40 4 5 10 28 3 6 (12) 6 (12) 9 27 3 2 4 ( )( ) (30) 2 (6) 2 3 2 1 4 16 8 (1)3 ( )12 3 3 4 1 12 4 1 7 1 ( ) ( )2 ( )(6 ) 3 7 3 60 6 5 1 7 8 5 (9) 6 (9) 2 6 7 4 16 ( )( ) (

3、6) 18 (57) 8 5 4 1 1 16 5 (1)2 ( )81 9 9 9 1 14 3 1 7 2 ( ) ( )2 ( )(5 ) 2 8 2 36 6 3 1 15 3 6 (7) 7 (7) 7 14 1 4 8 ( )( ) (60) 20 (21) 4 5 4 1 1 14 1 (3)2 ( )27 9 9 3 1 2 1 1 5 6 ( ) ( )2 ( )(4 ) 2 2 3 60 6 5 8 1 4 2 (20) 6 (20) 7 21 5 2 12 ( )( ) (102) 6 (51) 6 3 2 3 3 45 6 (2)3 ( )12 4 4 3 1 18 3

4、 1 5 6 ( ) ( )3 ( )(5 ) 2 2 2 40 4 5 5 11 6 3 (4) 8 (4) 6 12 1 4 12 ( )( ) (96) 8 (39) 6 5 4 3 3 96 3 (1)2 ( )16 2 2 8 1 8 1 1 3 4 ( ) ( )3 ( )(4 ) 2 4 2 24 4 3 1 9 1 3 (20) 2 (20) 4 8 7 6 16 ( )( ) (54) 20 (60) 8 7 6 5 1 78 7 (3)3 ( )48 6 6 8 1 16 2 1 1 2 ( ) ( )2 ( )(3 ) 2 8 3 36 6 3 5 17 9 8 (1)

5、9 (1) 6 18 7 4 12 ( )( ) (114) 6 (39) 6 5 4 1 1 15 9 (1)2 ( )28 4 4 7 2 6 4 1 3 4 ( ) ( )3 ( )(3 ) 3 12 3 24 4 3 7 1 5 5 (11) 4 (11) 8 16 3 4 4 ( )( ) (60) 6 (9) 2 5 4 4 2 82 1 (1)2 ( )27 3 3 9 1 3 1 1 7 4 ( ) ( )3 ( )(2 ) 3 4 3 36 6 3 8 15 9 3 (15) 7 (15) 7 14 1 4 4 ( )( ) (78) 16 (42) 2 5 4 5 5 18

6、 9 (1)2 ( )48 6 6 8 4 6 2 1 5 4 ( ) ( )3 ( )(6 ) 3 16 3 40 4 5 9 17 3 2 (18) 4 (18) 8 16 1 4 12 ( )( ) (78) 4 (42) 6 5 4 1 1 26 1 (3)2 ( )18 6 6 3 1 15 3 1 7 4 ( ) ( )2 ( )(5 ) 3 3 2 36 6 3 8 13 3 6 (3) 2 (3) 7 14 1 6 8 ( )( ) (36) 18 (36) 4 7 6 3 3 86 8 (2)3 ( )14 2 2 7 4 6 1 1 5 4 ( ) ( )3 ( )(4 )

7、 3 28 3 40 4 5 10 1 1 8 (17) 2 (17) 9 27 3 2 4 ( )( ) (108) 16 (36) 2 3 2 1 7 12 4 (3)2 ( )54 6 6 9 3 16 2 1 5 4 ( ) ( )2 ( )(6 ) 2 18 3 40 4 5 1 26 4 7 (11) 5 (11) 9 27 7 6 16 ( )( ) (24) 18 (21) 8 7 6 1 1 47 4 (1)2 ( )30 6 6 5 2 24 1 1 1 1 ( ) ( )2 ( )(6 ) 3 8 2 24 4 3 1 14 9 1 (3) 1 (3) 5 15 1 2

8、16 ( )( ) (72) 12 (36) 8 3 2 1 1 56 4 (3)3 ( )12 2 2 6 3 8 4 1 3 4 ( ) ( )3 ( )(2 ) 2 15 3 24 4 3 4 1 5 2 (11) 9 (11) 3 6 7 2 16 ( )( ) (12) 18 (39) 8 3 2 10 8 17 3 (2)2 ( )18 9 9 2 3 14 1 1 3 2 ( ) ( )3 ( )(2 ) 2 27 3 24 4 3 10 1 7 9 (8) 8 (8) 9 27 5 4 8 ( )( ) (18) 2 (21) 4 5 4 1 1 52 1 (2)3 ( )12

9、 2 2 6 3 6 1 1 1 4 ( ) ( )3 ( )(4 ) 2 21 2 40 4 5 1 1 3 8 (11) 1 (11) 2 4 5 4 8 ( )( ) (84) 18 (33) 4 5 4 1 1 63 3 (3)2 ( )28 4 4 7 1 15 2 1 5 4 ( ) ( )3 ( )(6 ) 3 2 3 60 6 5 10 28 6 8 (9) 7 (9) 9 27 9 6 16 ( )( ) (84) 20 (27) 8 7 6 1 1 52 1 (3)2 ( )8 2 2 4 3 2 3 1 1 4 ( ) ( )2 ( )(4 ) 2 24 2 24 4 3

10、 3 7 1 3 (7) 4 (7) 2 6 1 6 12 ( )( ) (60) 2 (27) 6 7 6 3 3 34 7 (2)2 ( )16 4 4 4 4 15 4 1 1 6 ( ) ( )3 ( )(4 ) 3 20 3 40 4 5 7 1 6 1 (8) 6 (8) 8 24 1 6 4 ( )( ) (36) 14 (9) 2 7 6 9 1 105 3 (2)3 ( )72 8 8 9 4 9 1 1 1 1 ( ) ( )2 ( )(2 ) 3 36 2 20 2 5 1 1 7 6 (20) 1 (20) 3 9 1 2 4 ( )( ) (36) 16 (24) 2 3 2 4 1 18 2 (3)3 ( )24 3 3 8 1 12 3 1 3 4 ( ) ( )3 ( )(5 ) 2 6 2 20 2 5 8 1 9 5 (19) 6 (19) 9 18