初一数学上册有理数的计算题精选51.docx

1、初一数学上册有理数的计算题精选51 1 28 4 8 (17) 1 (17) 9 27 3 6 4 ( )( ) (6) 20 (48) 2 7 6 7 7 57 7 (2)3 ( )24 6 6 4 1 2 2 1 1 1 ( ) ( )3 ( )(5 ) 2 4 3 12 2 3 1 13 4 1 (4) 7 (4) 6 12 5 4 12 ( )( ) (90) 10 (51) 6 5 4 9 1 19 1 (1)3 ( )48 8 8 6 1 24 3 1 3 4 ( ) ( )2 ( )(4 ) 3 9 2 40 4 5 1 1 4 6 (2) 7 (2) 2 4 1 4 16 (

2、)( ) (48) 18 (15) 8 5 4 1 4 15 1 (1)2 ( )15 3 3 5 1 12 2 1 1 4 ( ) ( )2 ( )(5 ) 2 8 3 40 4 5 8 15 4 7 (7) 3 (7) 7 14 1 4 16 ( )( ) (96) 16 (57) 8 5 4 5 1 66 9 (1)3 ( )28 4 4 7 1 21 4 1 1 4 ( ) ( )3 ( )(2 ) 3 5 3 20 2 5 10 17 7 5 (8) 7 (8) 9 18 1 2 16 ( )( ) (108) 14 (12) 8 3 2 3 1 15 1 (2)3 ( )12 4

3、4 3 1 21 1 1 1 4 ( ) ( )2 ( )(2 ) 3 4 2 12 2 3 3 13 2 3 (20) 9 (20) 4 12 1 4 12 ( )( ) (6) 4 (57) 6 5 4 2 4 67 1 (3)3 ( )21 3 3 7 4 18 3 1 7 6 ( ) ( )3 ( )(2 ) 3 12 2 60 6 5 8 1 5 2 (13) 1 (13) 9 27 1 6 4 ( )( ) (54) 8 (9) 2 7 6 1 5 13 7 (1)2 ( )8 4 4 2 1 4 1 1 3 6 ( ) ( )2 ( )(2 ) 2 8 2 40 4 5 4 16

4、 5 3 (18) 6 (18) 5 15 1 6 4 ( )( ) (108) 18 (21) 2 7 6 1 1 42 9 (2)2 ( )10 2 2 5 4 24 2 1 7 1 ( ) ( )2 ( )(3 ) 3 32 3 36 6 3 3 13 7 2 (13) 1 (13) 4 12 1 4 16 ( )( ) (84) 4 (21) 8 5 4 5 5 18 2 (1)3 ( )16 4 4 4 1 12 2 1 7 1 ( ) ( )3 ( )(4 ) 2 8 3 36 6 3 4 10 9 4 (5) 8 (5) 3 9 7 4 16 ( )( ) (60) 20 (33

5、) 8 5 4 6 1 59 3 (3)3 ( )28 7 7 4 3 6 3 1 1 1 ( ) ( )3 ( )(4 ) 2 12 2 36 6 3 7 15 7 4 (16) 6 (16) 8 16 7 2 16 ( )( ) (36) 12 (24) 8 3 2 1 1 14 5 (2)3 ( )8 2 2 4 1 24 4 1 1 4 ( ) ( )3 ( )(2 ) 3 6 3 20 2 5 1 7 4 2 (3) 1 (3) 2 6 1 4 4 ( )( ) (42) 12 (39) 2 5 4 3 1 16 4 (3)2 ( )10 2 2 5 1 6 2 1 1 1 ( ) ( )2 ( )(6 ) 2 7 3 60 6 5 3 1 5 6 (11) 5 (11) 2 6 1 4 16 ( )( ) (24) 10 (36) 8 5 4