初一数学上册有理数的计算题精选28.docx

1、初一数学上册有理数的计算题精选28 6 6 48 8 (1)3 ( )21 7 7 3 3 18 4 1 1 1 ( ) ( )3 ( )(6 ) 2 18 3 36 6 3 2 1 2 6 (20) 7 (20) 3 9 5 2 8 ( )( ) (102) 10 (15) 4 3 2 1 9 16 7 (1)3 ( )16 8 8 2 1 27 2 1 5 1 ( ) ( )2 ( )(2 ) 3 4 3 60 6 5 10 1 6 1 (14) 7 (14) 9 27 5 4 8 ( )( ) (48) 10 (42) 4 5 4 6 4 57 8 (2)2 ( )30 5 5 6 1

2、8 4 1 1 6 ( ) ( )3 ( )(4 ) 2 5 3 40 4 5 1 15 7 8 (4) 8 (4) 8 16 1 6 4 ( )( ) (96) 10 (6) 2 7 6 1 7 12 1 (3)3 ( )40 8 8 5 1 10 1 1 1 1 ( ) ( )3 ( )(4 ) 2 6 2 24 4 3 1 1 1 1 (6) 2 (6) 6 18 1 6 16 ( )( ) (72) 10 (39) 8 7 6 6 1 18 4 (1)2 ( )15 5 5 3 4 9 1 1 1 1 ( ) ( )2 ( )(4 ) 3 20 3 20 2 5 7 15 6 1 (1

3、1) 5 (11) 8 16 5 2 12 ( )( ) (18) 20 (12) 6 3 2 7 7 18 9 (1)2 ( )72 8 8 9 1 12 2 1 3 4 ( ) ( )2 ( )(5 ) 3 7 3 40 4 5 1 1 4 4 (15) 3 (15) 8 24 5 2 12 ( )( ) (36) 12 (39) 6 3 2 1 1 68 7 (2)3 ( )28 4 4 7 1 27 1 1 1 1 ( ) ( )3 ( )(6 ) 3 3 3 60 6 5 3 3 7 4 (19) 1 (19) 2 4 3 6 8 ( )( ) (36) 8 (42) 4 7 6 1

4、 9 95 1 (3)3 ( )64 8 8 8 1 2 4 1 1 4 ( ) ( )2 ( )(3 ) 2 7 3 36 6 3 1 1 7 6 (10) 6 (10) 5 10 1 6 12 ( )( ) (24) 14 (12) 6 7 6 1 1 16 9 (1)2 ( )21 7 7 3 3 2 4 1 1 4 ( ) ( )3 ( )(6 ) 2 12 3 24 4 3 1 26 3 3 (7) 1 (7) 9 27 7 2 16 ( )( ) (78) 12 (30) 8 3 2 10 10 12 8 (2)2 ( )63 9 9 7 4 24 1 1 1 6 ( ) ( )2 ( )(6 ) 3 28 2 20 2 5 6 20 9 6 (11) 9 (11) 7 21 3 4 4 ( )( ) (48) 12 (18) 2 5 4 4 4 86 6 (3)3 ( )45 5 5 9 1 16 1 1 5 1 ( ) ( )2 ( )(3 ) 2 3 2 40 4 5 1 1 1 9 (2) 6 (2) 5 15 7 2 16 ( )( ) (36) 18 (9) 8 3 2 10 10 25 1 (2)3 ( )27 9 9 3 4 12 1 1