北师大版七年级数学上册有理数计算题精选 165.docx

1、北师大版七年级数学上册有理数计算题精选 165 3 18 1 1 7 2 ( ) ( )2 ( )(2 ) 2 6 2 36 6 3 1 1 7 3 (1) 4 (1) 4 12 1 9 2 ( )( ) (60) 10 (36) 2 7 9 1 1 53 5 (2)3 ( )48 8 8 6 3 2 1 1 1 1 ( ) ( )3 ( )(2 ) 2 9 2 24 4 3 9 1 6 1 (19) 5 (19) 8 24 7 7 8 ( )( ) (108) 8 (54) 8 5 7 8 6 56 7 (1)2 ( )42 7 7 6 1 10 1 1 7 4 ( ) ( )3 ( )(4

2、 ) 2 3 3 36 6 3 1 5 6 2 (17) 3 (17) 3 6 3 5 4 ( )( ) (24) 2 (36) 4 3 5 4 6 12 2 (2)2 ( )15 5 5 3 1 10 2 1 1 1 ( ) ( )3 ( )(2 ) 2 5 3 12 2 3 2 5 1 7 (2) 1 (2) 3 6 3 9 4 ( )( ) (24) 18 (24) 4 7 9 1 1 82 5 (3)2 ( )18 2 2 9 1 6 1 1 5 6 ( ) ( )2 ( )(5 ) 2 7 2 60 6 5 6 1 5 1 (8) 9 (8) 5 15 3 9 2 ( )( ) (3

3、0) 18 (18) 2 7 9 1 4 16 4 (1)3 ( )18 3 3 6 4 24 1 1 3 4 ( ) ( )3 ( )(3 ) 3 8 2 24 4 3 1 17 5 5 (16) 1 (16) 8 16 3 9 2 ( )( ) (30) 6 (39) 2 7 9 1 1 17 9 (2)2 ( )14 2 2 7 4 12 1 1 3 4 ( ) ( )3 ( )(2 ) 3 20 3 20 2 5 9 15 1 5 (1) 1 (1) 8 16 1 9 8 ( )( ) (54) 6 (18) 8 7 9 5 7 24 1 (1)2 ( )18 6 6 3 2 9 1

4、1 1 1 ( ) ( )2 ( )(6 ) 3 14 2 36 6 3 7 1 7 5 (3) 4 (3) 6 12 7 5 8 ( )( ) (96) 4 (36) 8 3 5 1 1 39 4 (1)3 ( )8 2 2 4 1 15 1 1 1 2 ( ) ( )3 ( )(4 ) 3 4 2 12 2 3 1 15 5 3 (20) 4 (20) 7 14 7 7 6 ( )( ) (60) 4 (30) 6 5 7 4 2 35 5 (2)2 ( )12 3 3 4 2 21 1 1 1 1 ( ) ( )3 ( )(4 ) 3 8 3 40 4 5 1 13 9 2 (18) 1

5、 (18) 6 12 1 5 4 ( )( ) (72) 14 (42) 4 3 5 1 1 16 7 (3)2 ( )24 4 4 6 1 24 1 1 1 2 ( ) ( )3 ( )(6 ) 3 3 2 36 6 3 7 1 4 4 (19) 6 (19) 6 18 3 7 2 ( )( ) (90) 16 (27) 2 5 7 5 5 49 4 (3)3 ( )18 6 6 3 1 10 2 1 5 2 ( ) ( )2 ( )(6 ) 2 4 3 24 4 3 1 1 4 2 (18) 4 (18) 9 27 1 9 6 ( )( ) (54) 18 (12) 6 7 9 1 1 47 5 (3)3 ( )9 3 3 3 1 14 1 1 1 4 ( ) ( )3 ( )(6 ) 2 4 3 40