七年级数学上册有理数计算题专项训练 125.docx

1、七年级数学上册有理数计算题专项训练 125 1 1 18 1 (2)2 ( )8 4 4 2 4 24 1 1 5 1 ( ) ( )3 ( )(4 ) 3 12 3 36 6 3 5 9 1 7 (18) 5 (18) 4 8 3 6 8 ( )( ) (120) 8 (18) 4 7 6 7 5 58 5 (3)2 ( )36 6 6 6 1 24 2 1 1 2 ( ) ( )3 ( )(4 ) 3 8 3 12 2 3 1 7 7 5 (7) 9 (7) 4 8 7 4 12 ( )( ) (48) 14 (3) 6 5 4 10 1 14 5 (3)3 ( )54 9 9 6 3 4

2、 1 1 5 1 ( ) ( )3 ( )(4 ) 2 6 2 40 4 5 6 1 2 3 (10) 9 (10) 5 15 1 6 8 ( )( ) (54) 6 (45) 4 7 6 5 1 88 6 (3)2 ( )28 4 4 7 4 3 3 1 1 1 ( ) ( )2 ( )(5 ) 3 16 2 12 2 3 1 19 2 1 (4) 1 (4) 9 18 1 6 12 ( )( ) (48) 10 (39) 6 7 6 3 3 17 2 (2)2 ( )16 4 4 4 1 3 1 1 1 1 ( ) ( )3 ( )(3 ) 3 3 3 20 2 5 7 15 4 7 (1

3、6) 4 (16) 8 16 1 6 4 ( )( ) (120) 4 (54) 2 7 6 1 7 34 2 (1)3 ( )32 8 8 4 3 8 4 1 7 4 ( ) ( )3 ( )(4 ) 2 12 3 60 6 5 3 7 3 2 (6) 9 (6) 2 6 9 2 16 ( )( ) (96) 2 (18) 8 3 2 5 1 69 2 (2)2 ( )30 6 6 5 1 14 2 1 7 6 ( ) ( )2 ( )(4 ) 2 3 3 60 6 5 4 1 2 2 (16) 5 (16) 3 9 1 6 8 ( )( ) (102) 10 (15) 4 7 6 6 1

4、13 8 (2)3 ( )42 7 7 6 1 6 3 1 1 6 ( ) ( )3 ( )(5 ) 2 7 2 20 2 5 5 17 7 6 (17) 4 (17) 6 18 9 6 16 ( )( ) (54) 8 (27) 8 7 6 1 1 56 6 (2)3 ( )8 2 2 4 1 14 1 1 1 4 ( ) ( )3 ( )(5 ) 2 3 3 40 4 5 4 16 6 9 (16) 9 (16) 5 15 1 4 4 ( )( ) (90) 2 (27) 2 5 4 5 7 14 1 (3)2 ( )30 6 6 5 2 12 1 1 1 4 ( ) ( )3 ( )(4

5、 ) 3 6 2 20 2 5 1 1 6 6 (17) 7 (17) 7 14 7 6 12 ( )( ) (78) 18 (36) 6 7 6 5 5 33 1 (1)2 ( )16 4 4 4 1 2 4 1 1 1 ( ) ( )3 ( )(2 ) 2 9 3 12 2 3 1 9 5 9 (2) 7 (2) 4 8 7 2 12 ( )( ) (120) 18 (57) 6 3 2 3 1 53 8 (3)2 ( )8 2 2 4 3 12 1 1 1 4 ( ) ( )3 ( )(2 ) 2 12 2 20 2 5 6 20 2 9 (18) 4 (18) 7 21 5 6 12

6、( )( ) (90) 12 (48) 6 7 6 2 4 102 8 (3)3 ( )27 3 3 9 2 12 1 1 1 1 ( ) ( )2 ( )(6 ) 3 4 2 20 2 5 6 1 9 9 (15) 6 (15) 7 21 7 4 16 ( )( ) (24) 20 (51) 8 5 4 6 4 59 2 (2)3 ( )30 5 5 6 1 10 4 1 7 1 ( ) ( )3 ( )(5 ) 2 4 3 60 6 5 5 17 6 7 (4) 6 (4) 6 18 7 6 12 ( )( ) (90) 4 (45) 6 7 6 6 1 12 1 (3)3 ( )30 5

7、 5 6 3 12 4 1 7 4 ( ) ( )2 ( )(2 ) 2 6 3 60 6 5 1 1 1 4 (3) 2 (3) 6 12 9 6 16 ( )( ) (30) 2 (60) 8 7 6 7 1 49 4 (3)2 ( )24 8 8 3 4 12 4 1 1 4 ( ) ( )2 ( )(2 ) 3 28 3 12 2 3 5 1 9 5 (10) 8 (10) 4 12 7 2 16 ( )( ) (48) 12 (27) 8 3 2 1 1 15 1 (2)2 ( )72 8 8 9 1 9 4 1 1 1 ( ) ( )3 ( )(6 ) 3 7 3 36 6 3 1

8、 1 9 7 (11) 3 (11) 5 10 5 2 8 ( )( ) (60) 12 (27) 4 3 2 1 10 37 2 (3)2 ( )36 9 9 4 2 21 3 1 5 4 ( ) ( )3 ( )(6 ) 3 12 2 60 6 5 4 9 5 7 (6) 8 (6) 5 10 1 4 4 ( )( ) (18) 14 (27) 2 5 4 1 1 66 3 (3)3 ( )28 4 4 7 3 18 3 1 1 2 ( ) ( )2 ( )(3 ) 2 6 2 24 4 3 1 1 9 2 (4) 8 (4) 3 9 1 2 8 ( )( ) (6) 16 (3) 4 3

9、 2 7 9 15 4 (1)3 ( )32 8 8 4 3 8 1 1 1 4 ( ) ( )2 ( )(2 ) 2 6 2 24 4 3 6 9 6 4 (20) 3 (20) 5 10 7 2 16 ( )( ) (108) 8 (12) 8 3 2 4 1 102 5 (3)3 ( )45 5 5 9 1 8 1 1 1 1 ( ) ( )3 ( )(2 ) 2 4 3 60 6 5 7 17 6 4 (4) 8 (4) 6 18 5 4 12 ( )( ) (18) 14 (9) 6 5 4 8 6 14 2 (1)2 ( )14 7 7 2 4 9 1 1 3 1 ( ) ( )2

10、 ( )(4 ) 3 28 3 20 2 5 1 19 1 2 (17) 6 (17) 6 18 7 2 16 ( )( ) (72) 12 (36) 8 3 2 1 1 78 5 (2)2 ( )24 4 4 6 1 12 4 1 1 1 ( ) ( )3 ( )(6 ) 2 4 3 20 2 5 1 5 8 5 (7) 1 (7) 3 6 5 2 12 ( )( ) (12) 10 (30) 6 3 2 8 6 66 8 (1)3 ( )35 7 7 5 1 6 3 1 1 2 ( ) ( )2 ( )(6 ) 2 4 2 12 2 3 4 10 6 3 (9) 7 (9) 3 9 3 6 4 ( )( ) (66) 18 (60) 2 7 6 3 1 62 1 (3)3 ( )10 2 2 5 1 18 1 1 5 4 ( ) ( )3 ( )(5 ) 3 5 2