七年级数学上册有理数计算题专项训练 147.docx

1、七年级数学上册有理数计算题专项训练 147 1 6 16 ( )( ) (36) 20 (6) 8 7 6 7 1 104 1 (1)3 ( )72 8 8 9 1 12 1 1 5 1 ( ) ( )2 ( )(6 ) 2 4 3 40 4 5 1 13 6 4 (16) 7 (16) 6 12 1 4 4 ( )( ) (60) 4 (21) 2 5 4 1 9 62 3 (2)2 ( )56 8 8 7 1 18 1 1 3 1 ( ) ( )3 ( )(6 ) 2 2 3 40 4 5 1 15 8 4 (17) 5 (17) 7 14 1 2 4 ( )( ) (30) 12 (45

2、) 2 3 2 7 7 58 3 (2)2 ( )24 6 6 4 4 15 3 1 1 1 ( ) ( )3 ( )(5 ) 3 20 2 36 6 3 8 26 9 4 (9) 3 (9) 9 27 1 6 4 ( )( ) (78) 20 (12) 2 7 6 3 1 47 7 (2)3 ( )10 2 2 5 1 2 1 1 7 2 ( ) ( )2 ( )(5 ) 2 9 3 36 6 3 3 3 7 1 (10) 5 (10) 2 4 1 4 4 ( )( ) (120) 6 (51) 2 5 4 8 1 45 6 (2)2 ( )35 7 7 5 3 12 1 1 3 4 ( )

3、 ( )2 ( )(3 ) 2 27 2 20 2 5 10 17 1 7 (7) 6 (7) 9 18 3 4 8 ( )( ) (72) 2 (21) 4 5 4 1 1 36 1 (1)2 ( )24 6 6 4 1 4 3 1 3 1 ( ) ( )3 ( )(5 ) 2 3 2 24 4 3 1 1 7 1 (3) 7 (3) 9 18 1 2 12 ( )( ) (96) 4 (57) 6 3 2 1 9 63 1 (3)3 ( )40 8 8 5 2 3 1 1 1 1 ( ) ( )3 ( )(3 ) 3 14 3 60 6 5 3 5 7 2 (15) 8 (15) 2 6

4、3 2 8 ( )( ) (96) 10 (3) 4 3 2 10 10 87 8 (2)2 ( )81 9 9 9 4 12 1 1 1 1 ( ) ( )2 ( )(6 ) 3 8 2 20 2 5 1 1 9 9 (6) 2 (6) 6 18 1 6 16 ( )( ) (30) 10 (54) 8 7 6 5 7 18 2 (3)3 ( )18 6 6 3 4 3 2 1 5 1 ( ) ( )3 ( )(4 ) 3 8 3 40 4 5 6 16 3 4 (8) 6 (8) 5 15 3 2 8 ( )( ) (120) 14 (39) 4 3 2 1 1 18 5 (1)2 ( )

5、42 6 6 7 4 3 3 1 1 1 ( ) ( )2 ( )(6 ) 3 20 2 40 4 5 1 28 5 9 (20) 1 (20) 9 27 7 6 16 ( )( ) (24) 12 (15) 8 7 6 1 1 62 4 (1)3 ( )15 3 3 5 1 4 1 1 3 1 ( ) ( )3 ( )(4 ) 2 4 2 20 2 5 1 1 5 9 (12) 9 (12) 2 4 1 6 4 ( )( ) (114) 14 (39) 2 7 6 3 3 14 6 (3)2 ( )12 2 2 6 1 2 2 1 1 4 ( ) ( )2 ( )(4 ) 2 3 3 36

6、6 3 7 19 5 1 (20) 4 (20) 6 18 5 2 8 ( )( ) (72) 8 (15) 4 3 2 6 1 73 8 (3)2 ( )30 5 5 6 3 8 3 1 1 2 ( ) ( )3 ( )(3 ) 2 12 2 12 2 3 1 5 1 4 (11) 5 (11) 2 4 9 2 16 ( )( ) (72) 4 (39) 8 3 2 3 3 109 7 (2)2 ( )18 2 2 9 1 6 1 1 3 1 ( ) ( )2 ( )(3 ) 2 4 2 24 4 3 8 22 8 5 (4) 3 (4) 7 21 1 6 4 ( )( ) (90) 10

7、(36) 2 7 6 4 1 19 7 (1)2 ( )35 5 5 7 4 27 1 1 1 6 ( ) ( )2 ( )(4 ) 3 20 3 20 2 5 1 1 4 4 (6) 2 (6) 5 15 1 6 16 ( )( ) (102) 20 (33) 8 7 6 1 1 12 8 (2)2 ( )4 2 2 2 2 12 1 1 7 4 ( ) ( )3 ( )(5 ) 3 16 2 36 6 3 1 8 1 6 (12) 4 (12) 3 9 7 4 16 ( )( ) (48) 8 (42) 8 5 4 6 8 62 6 (1)2 ( )49 7 7 7 4 24 1 1 1

8、1 ( ) ( )3 ( )(3 ) 3 16 3 40 4 5 8 1 5 9 (14) 2 (14) 9 27 9 2 16 ( )( ) (6) 12 (30) 8 3 2 5 7 14 1 (2)3 ( )18 6 6 3 4 12 2 1 3 2 ( ) ( )2 ( )(5 ) 3 36 3 24 4 3 9 23 9 8 (12) 6 (12) 8 24 7 4 16 ( )( ) (30) 20 (18) 8 5 4 10 8 27 2 (2)2 ( )27 9 9 3 1 18 3 1 3 6 ( ) ( )2 ( )(4 ) 2 4 2 20 2 5 4 1 3 8 (9)

9、 9 (9) 5 15 1 6 4 ( )( ) (24) 8 (12) 2 7 6 3 1 83 5 (3)3 ( )18 2 2 9 1 3 2 1 5 4 ( ) ( )3 ( )(5 ) 3 9 3 40 4 5 1 7 5 5 (10) 1 (10) 2 6 3 4 8 ( )( ) (36) 6 (48) 4 5 4 3 3 37 2 (2)3 ( )8 2 2 4 1 3 1 1 3 4 ( ) ( )3 ( )(5 ) 3 9 3 12 2 3 9 1 8 2 (10) 7 (10) 8 16 7 4 12 ( )( ) (66) 14 (21) 6 5 4 7 5 13 3

10、(2)2 ( )30 6 6 5 3 4 1 1 5 2 ( ) ( )2 ( )(3 ) 2 21 3 36 6 3 1 11 7 4 (19) 1 (19) 4 12 3 4 8 ( )( ) (36) 12 (60) 4 5 4 2 1 17 7 (3)3 ( )21 3 3 7 1 16 3 1 5 6 ( ) ( )3 ( )(2 ) 2 6 2 60 6 5 1 1 8 6 (5) 7 (5) 6 18 5 2 8 ( )( ) (24) 16 (30) 4 3 2 1 5 83 9 (1)3 ( )42 6 6 7 1 6 4 1 7 1 ( ) ( )3 ( )(4 ) 2 5 3 60 6 5 6 11 6 5 (12) 3 (12) 5 10 1 4 12 ( )( ) (30) 10 (48) 6 5 4 1 4 13 6 (2)2 ( )25