北师大版七年级数学上册有理数计算题精选 130.docx

1、北师大版七年级数学上册有理数计算题精选 130 1 21 1 1 3 4 ( ) ( )2 ( )(5 ) 3 3 3 12 2 3 1 17 5 1 (10) 2 (10) 6 18 7 7 8 ( )( ) (96) 4 (33) 8 5 7 1 1 38 3 (2)3 ( )8 4 4 2 2 18 1 1 5 4 ( ) ( )3 ( )(5 ) 3 12 2 60 6 5 1 1 3 2 (12) 1 (12) 6 12 1 7 2 ( )( ) (90) 4 (39) 2 5 7 7 1 19 8 (2)2 ( )54 6 6 9 1 18 2 1 1 4 ( ) ( )3 ( )

2、(3 ) 3 8 3 40 4 5 3 1 6 7 (14) 1 (14) 4 8 9 9 8 ( )( ) (12) 10 (21) 8 7 9 10 8 49 4 (3)2 ( )27 9 9 3 1 16 1 1 1 6 ( ) ( )3 ( )(2 ) 2 7 2 20 2 5 1 13 6 9 (17) 1 (17) 4 12 1 7 8 ( )( ) (18) 12 (6) 8 5 7 1 1 16 9 (3)3 ( )16 2 2 8 4 27 1 1 1 1 ( ) ( )2 ( )(6 ) 3 36 2 20 2 5 1 5 3 9 (12) 5 (12) 3 6 1 9 4

3、 ( )( ) (120) 4 (42) 4 7 9 2 1 36 9 (2)2 ( )12 3 3 4 3 14 2 1 5 4 ( ) ( )3 ( )(6 ) 2 24 3 24 4 3 4 16 3 6 (8) 3 (8) 5 15 1 9 6 ( )( ) (102) 18 (12) 6 7 9 4 6 72 2 (3)2 ( )40 5 5 8 2 3 2 1 5 4 ( ) ( )3 ( )(2 ) 3 14 3 60 6 5 1 26 3 7 (15) 6 (15) 9 27 3 5 2 ( )( ) (108) 6 (60) 2 3 5 1 5 16 4 (2)2 ( )18

4、 6 6 3 4 3 2 1 7 4 ( ) ( )3 ( )(4 ) 3 12 3 36 6 3 6 20 8 3 (1) 4 (1) 7 21 7 7 8 ( )( ) (72) 8 (6) 8 5 7 7 7 73 8 (2)3 ( )36 6 6 6 1 8 2 1 1 6 ( ) ( )2 ( )(5 ) 2 2 3 20 2 5 4 1 3 8 (13) 4 (13) 3 6 1 5 8 ( )( ) (96) 10 (21) 8 3 5 1 3 72 5 (2)3 ( )12 2 2 6 1 8 1 1 1 6 ( ) ( )2 ( )(3 ) 2 5 3 60 6 5 4 1

5、4 7 (11) 4 (11) 3 9 5 7 6 ( )( ) (48) 20 (6) 6 5 7 1 5 89 8 (2)3 ( )54 6 6 9 1 10 1 1 1 1 ( ) ( )3 ( )(6 ) 2 7 2 20 2 5 3 7 6 9 (1) 9 (1) 4 8 5 5 4 ( )( ) (6) 2 (6) 4 3 5 1 1 18 3 (1)2 ( )72 8 8 9 1 15 1 1 3 4 ( ) ( )2 ( )(2 ) 3 4 2 24 4 3 7 1 5 4 (2) 9 (2) 8 24 9 7 8 ( )( ) (36) 12 (39) 8 5 7 1 6 47 8 (2)2 ( )25 5 5 5 1 6 1 1 1 2 ( ) ( )3 ( )(2 ) 3 4 2 12