初一数学上册有理数的计算题精选10.docx

1、初一数学上册有理数的计算题精选10 3 3 62 2 (1)2 ( )14 2 2 7 1 4 1 1 1 4 ( ) ( )3 ( )(2 ) 2 3 2 36 6 3 1 8 5 6 (11) 6 (11) 3 9 3 6 8 ( )( ) (36) 18 (6) 4 7 6 6 6 85 7 (3)3 ( )63 7 7 9 1 21 1 1 3 4 ( ) ( )2 ( )(4 ) 3 4 2 20 2 5 1 1 7 8 (10) 7 (10) 9 27 1 2 4 ( )( ) (42) 8 (15) 2 3 2 1 8 16 1 (1)2 ( )45 9 9 5 1 12 1 1

2、 1 1 ( ) ( )3 ( )(4 ) 3 4 2 36 6 3 1 1 6 5 (2) 8 (2) 4 8 1 4 12 ( )( ) (108) 6 (6) 6 5 4 1 6 19 8 (3)3 ( )25 5 5 5 4 9 1 1 7 6 ( ) ( )2 ( )(6 ) 3 8 2 60 6 5 3 13 9 3 (5) 7 (5) 4 12 5 2 8 ( )( ) (12) 14 (18) 4 3 2 8 1 19 6 (1)3 ( )56 7 7 8 1 8 4 1 5 1 ( ) ( )2 ( )(2 ) 2 5 3 40 4 5 6 1 4 9 (7) 7 (7) 7

3、 14 1 4 16 ( )( ) (84) 2 (27) 8 5 4 1 1 98 9 (2)2 ( )64 8 8 8 2 18 1 1 3 1 ( ) ( )2 ( )(5 ) 3 8 2 20 2 5 5 1 2 6 (8) 4 (8) 4 8 7 6 12 ( )( ) (90) 12 (24) 6 7 6 2 2 107 4 (3)3 ( )27 3 3 9 1 14 1 1 1 4 ( ) ( )3 ( )(5 ) 2 8 2 20 2 5 1 1 5 5 (9) 4 (9) 4 8 7 4 12 ( )( ) (66) 16 (60) 6 5 4 10 1 79 6 (1)3

4、( )54 9 9 6 3 10 4 1 1 4 ( ) ( )3 ( )(3 ) 2 18 3 12 2 3 3 1 7 8 (17) 9 (17) 4 12 1 4 16 ( )( ) (54) 4 (57) 8 5 4 2 2 18 2 (1)2 ( )15 3 3 5 4 15 1 1 7 4 ( ) ( )3 ( )(6 ) 3 20 3 36 6 3 4 11 8 6 (15) 3 (15) 5 10 1 6 12 ( )( ) (54) 6 (42) 6 7 6 2 4 58 9 (2)2 ( )12 3 3 4 1 10 1 1 3 6 ( ) ( )3 ( )(4 ) 2 5

5、 3 40 4 5 6 22 1 8 (19) 5 (19) 7 21 3 6 4 ( )( ) (66) 16 (57) 2 7 6 1 1 13 7 (2)3 ( )18 9 9 2 1 16 1 1 1 1 ( ) ( )2 ( )(4 ) 2 8 2 24 4 3 9 25 8 9 (16) 9 (16) 8 24 1 2 12 ( )( ) (6) 6 (42) 6 3 2 5 5 18 1 (2)2 ( )8 4 4 2 1 18 1 1 1 1 ( ) ( )3 ( )(3 ) 2 5 3 24 4 3 3 5 2 3 (12) 9 (12) 2 6 1 2 4 ( )( ) (90) 18 (30) 2 3 2 1 1 89 2 (1)2 ( )36 4 4 9 4 3 4 1 1 1 ( ) ( )3 ( )(4 ) 3 12 3 12 2 3