1、北师大版七年级数学上册有理数计算题精选 75 3 7 2 8 (11) 2 (11) 4 8 1 9 8 ( )( ) (12) 4 (24) 8 7 9 1 3 12 6 (2)3 ( )12 2 2 6 1 16 1 1 1 1 ( ) ( )3 ( )(6 ) 2 3 2 36 6 3 1 7 5 4 (13) 5 (13) 3 6 1 9 4 ( )( ) (18) 12 (30) 4 7 9 6 1 64 9 (1)2 ( )25 5 5 5 4 18 1 1 1 2 ( ) ( )2 ( )(4 ) 3 20 2 12 2 3 6 1 4 8 (4) 7 (4) 5 15 5 7
2、6 ( )( ) (120) 16 (6) 6 5 7 9 9 14 4 (2)2 ( )64 8 8 8 1 2 2 1 1 4 ( ) ( )2 ( )(2 ) 2 7 3 60 6 5 1 13 3 8 (4) 7 (4) 7 14 9 9 8 ( )( ) (90) 4 (27) 8 7 9 3 5 103 4 (1)3 ( )36 4 4 9 1 18 2 1 7 1 ( ) ( )3 ( )(2 ) 2 7 3 60 6 5 1 1 1 2 (2) 3 (2) 3 9 1 5 2 ( )( ) (78) 10 (39) 2 3 5 5 1 93 6 (2)3 ( )48 6 6 8
3、 2 6 1 1 3 4 ( ) ( )2 ( )(6 ) 3 16 2 24 4 3 10 1 4 1 (15) 5 (15) 9 27 1 7 2 ( )( ) (66) 18 (27) 2 5 7 10 8 66 6 (1)3 ( )63 9 9 7 3 2 1 1 1 4 ( ) ( )3 ( )(3 ) 2 24 2 20 2 5 5 17 2 2 (14) 7 (14) 6 18 9 9 8 ( )( ) (6) 4 (51) 8 7 9 4 6 18 4 (2)2 ( )15 5 5 3 3 12 1 1 3 1 ( ) ( )3 ( )(5 ) 2 9 2 24 4 3 5 9
4、 3 5 (2) 9 (2) 4 8 7 7 8 ( )( ) (114) 6 (33) 8 5 7 10 8 55 5 (2)2 ( )36 9 9 4 1 10 1 1 1 1 ( ) ( )3 ( )(3 ) 2 6 2 24 4 3 10 19 3 7 (5) 2 (5) 9 18 1 5 6 ( )( ) (72) 6 (6) 6 3 5 1 8 55 6 (1)2 ( )36 9 9 4 1 18 1 1 5 1 ( ) ( )3 ( )(6 ) 3 2 2 36 6 3 1 17 5 8 (15) 6 (15) 9 18 1 9 2 ( )( ) (84) 18 (42) 2 7
5、 9 7 9 19 5 (3)2 ( )40 8 8 5 1 6 1 1 5 1 ( ) ( )2 ( )(5 ) 2 4 3 36 6 3 1 5 2 6 (8) 3 (8) 2 4 1 7 4 ( )( ) (18) 2 (21) 4 5 7 3 3 59 9 (2)2 ( )8 2 2 4 1 12 2 1 5 4 ( ) ( )2 ( )(2 ) 2 2 3 24 4 3 3 3 4 1 (18) 5 (18) 2 4 3 9 2 ( )( ) (120) 20 (51) 2 7 9 1 1 78 9 (1)2 ( )16 2 2 8 4 18 2 1 1 6 ( ) ( )3 ( )(4 ) 3 20 3 60 6 5 5 1 3 5 (1) 8 (1) 6 18
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