初一数学上册有理数的计算题精选29.docx

1、初一数学上册有理数的计算题精选29 1 25 9 4 (18) 7 (18) 8 24 1 2 16 ( )( ) (54) 2 (24) 8 3 2 10 10 12 7 (1)2 ( )72 9 9 8 1 6 2 1 1 4 ( ) ( )2 ( )(4 ) 2 6 3 40 4 5 1 14 8 2 (17) 7 (17) 5 15 7 4 16 ( )( ) (90) 8 (27) 8 5 4 1 5 16 4 (1)3 ( )12 6 6 2 2 24 1 1 5 4 ( ) ( )3 ( )(2 ) 3 14 2 40 4 5 1 1 5 4 (11) 9 (11) 2 6 5

2、6 12 ( )( ) (60) 14 (60) 6 7 6 1 3 13 3 (3)3 ( )14 2 2 7 1 12 1 1 1 1 ( ) ( )3 ( )(4 ) 2 7 2 40 4 5 7 19 9 9 (7) 2 (7) 6 18 1 2 4 ( )( ) (36) 12 (36) 2 3 2 4 2 52 5 (1)2 ( )12 3 3 4 3 18 2 1 1 6 ( ) ( )2 ( )(2 ) 2 24 3 60 6 5 4 14 5 4 (8) 2 (8) 5 15 7 4 12 ( )( ) (42) 16 (42) 6 5 4 4 6 58 7 (1)2 ( )

3、20 5 5 4 1 4 1 1 1 2 ( ) ( )3 ( )(5 ) 2 7 3 24 4 3 7 1 1 3 (8) 6 (8) 6 12 5 2 8 ( )( ) (96) 2 (24) 4 3 2 1 1 87 5 (3)3 ( )72 8 8 9 1 12 3 1 1 2 ( ) ( )2 ( )(3 ) 2 9 2 24 4 3 1 5 4 9 (9) 3 (9) 2 6 1 6 12 ( )( ) (84) 2 (39) 6 7 6 7 7 18 5 (2)2 ( )48 6 6 8 4 18 1 1 1 2 ( ) ( )2 ( )(2 ) 3 36 2 24 4 3 5

4、1 6 4 (18) 8 (18) 4 12 1 6 4 ( )( ) (120) 16 (33) 2 7 6 1 7 13 4 (2)3 ( )12 6 6 2 1 2 2 1 1 1 ( ) ( )2 ( )(2 ) 2 4 3 60 6 5 8 22 1 6 (9) 1 (9) 7 21 9 6 16 ( )( ) (12) 10 (18) 8 7 6 8 1 17 5 (2)3 ( )63 7 7 9 1 12 1 1 7 6 ( ) ( )3 ( )(3 ) 2 5 2 60 6 5 1 26 7 7 (7) 3 (7) 9 27 1 2 4 ( )( ) (18) 10 (15)

5、2 3 2 1 3 83 6 (1)3 ( )18 2 2 9 1 12 3 1 3 4 ( ) ( )2 ( )(4 ) 3 6 2 12 2 3 3 13 7 8 (13) 7 (13) 4 12 5 2 12 ( )( ) (30) 12 (24) 6 3 2 1 1 14 2 (3)2 ( )6 3 3 2 3 4 3 1 3 4 ( ) ( )2 ( )(2 ) 2 27 2 20 2 5 1 1 4 3 (17) 1 (17) 5 15 1 2 4 ( )( ) (114) 8 (30) 2 3 2 5 5 73 6 (2)2 ( )24 4 4 6 1 14 1 1 3 2 ( ) ( )3 ( )(5 ) 2 4 3 24 4 3 7 1 9 6 (6) 7 (6) 8 24 1 4 16 ( )( ) (60) 16 (3) 8 5 4