1、北师大版七年级数学上册有理数计算题精选 74 1 6 1 1 1 2 ( ) ( )3 ( )(6 ) 2 4 2 24 4 3 10 19 9 7 (16) 2 (16) 9 18 1 7 4 ( )( ) (36) 4 (51) 4 5 7 4 4 15 2 (1)2 ( )6 3 3 2 1 2 2 1 3 6 ( ) ( )2 ( )(2 ) 2 9 3 20 2 5 1 11 8 6 (12) 6 (12) 5 10 1 7 4 ( )( ) (102) 6 (54) 4 5 7 1 6 103 1 (2)3 ( )63 7 7 9 1 16 2 1 5 1 ( ) ( )2 ( )
2、(2 ) 2 9 3 36 6 3 5 9 4 8 (15) 3 (15) 4 8 1 7 4 ( )( ) (120) 16 (48) 4 5 7 1 3 89 9 (3)3 ( )14 2 2 7 2 6 1 1 1 4 ( ) ( )3 ( )(2 ) 3 10 2 40 4 5 4 14 7 3 (9) 9 (9) 5 15 7 5 6 ( )( ) (60) 4 (45) 6 3 5 1 1 12 7 (3)3 ( )4 2 2 2 4 27 2 1 1 4 ( ) ( )3 ( )(5 ) 3 28 3 40 4 5 1 1 4 8 (6) 2 (6) 2 4 3 9 2 ( )(
3、 ) (120) 18 (39) 2 7 9 8 6 14 9 (2)2 ( )28 7 7 4 2 15 1 1 1 1 ( ) ( )3 ( )(6 ) 3 6 2 20 2 5 9 23 5 8 (4) 1 (4) 8 24 1 5 6 ( )( ) (24) 12 (3) 6 3 5 6 8 66 5 (3)2 ( )35 7 7 5 1 16 1 1 5 1 ( ) ( )3 ( )(6 ) 2 6 2 40 4 5 10 26 3 4 (14) 1 (14) 9 27 1 9 4 ( )( ) (12) 18 (60) 4 7 9 1 1 67 7 (2)3 ( )10 2 2 5
4、 3 8 1 1 1 2 ( ) ( )2 ( )(6 ) 2 21 2 12 2 3 1 1 1 5 (5) 3 (5) 8 16 9 7 8 ( )( ) (78) 16 (18) 8 5 7 4 1 102 9 (2)3 ( )27 3 3 9 2 18 1 1 5 1 ( ) ( )3 ( )(2 ) 3 18 2 36 6 3 6 13 2 1 (20) 8 (20) 7 14 1 5 2 ( )( ) (114) 4 (21) 2 3 5 1 1 12 3 (2)3 ( )4 2 2 2 4 3 1 1 5 4 ( ) ( )2 ( )(4 ) 3 20 3 36 6 3 8 17
5、 2 6 (7) 8 (7) 9 18 5 5 4 ( )( ) (78) 10 (51) 4 3 5 1 2 18 1 (1)2 ( )9 3 3 3 1 14 1 1 5 4 ( ) ( )3 ( )(4 ) 2 6 2 24 4 3 1 7 6 4 (2) 2 (2) 3 6 7 9 6 ( )( ) (108) 12 (51) 6 7 9 9 1 25 6 (1)2 ( )24 8 8 3 4 12 2 1 3 4 ( ) ( )3 ( )(5 ) 3 8 3 40 4 5 5 13 8 3 (13) 5 (13) 6 12 7 7 6 ( )( ) (24) 20 (39) 6 5
6、7 1 1 88 3 (1)3 ( )36 4 4 9 1 2 2 1 1 4 ( ) ( )3 ( )(6 ) 2 6 3 20 2 5 1 1 6 1 (20) 7 (20) 7 21 5 5 4 ( )( ) (12) 12 (9) 4 3 5 5 5 16 7 (3)3 ( )16 4 4 4 2 18 1 1 3 1 ( ) ( )2 ( )(6 ) 3 16 2 20 2 5 1 1 4 8 (2) 5 (2) 2 4 1 9 2 ( )( ) (42) 20 (24) 2 7 9 5 5 12 6 (2)2 ( )8 4 4 2 1 27 1 1 5 4 ( ) ( )3 ( )
7、(4 ) 3 6 2 40 4 5 4 16 6 9 (9) 5 (9) 5 15 7 5 6 ( )( ) (30) 2 (12) 6 3 5 8 6 16 4 (3)2 ( )28 7 7 4 1 18 1 1 3 1 ( ) ( )2 ( )(6 ) 3 6 2 40 4 5 1 5 8 3 (18) 1 (18) 2 4 1 7 6 ( )( ) (66) 4 (54) 6 5 7 5 7 16 4 (1)2 ( )42 6 6 7 1 12 1 1 5 4 ( ) ( )2 ( )(2 ) 2 2 2 36 6 3 1 5 6 8 (4) 5 (4) 2 6 3 5 4 ( )( )
8、 (24) 2 (30) 4 3 5 1 1 52 3 (2)2 ( )36 6 6 6 3 4 1 1 1 1 ( ) ( )3 ( )(4 ) 2 15 2 12 2 3 10 1 2 9 (18) 7 (18) 9 18 1 9 4 ( )( ) (114) 16 (45) 4 7 9 1 1 12 7 (1)2 ( )12 2 2 6 1 4 2 1 7 4 ( ) ( )2 ( )(5 ) 2 7 3 60 6 5 8 20 8 4 (6) 1 (6) 7 21 1 7 4 ( )( ) (6) 8 (57) 4 5 7 6 8 16 1 (2)2 ( )21 7 7 3 1 14
9、1 1 1 4 ( ) ( )2 ( )(6 ) 2 5 3 60 6 5 1 25 1 9 (20) 6 (20) 8 24 5 7 6 ( )( ) (108) 14 (12) 6 5 7 8 10 86 1 (1)3 ( )63 9 9 7 1 8 1 1 5 4 ( ) ( )2 ( )(6 ) 2 7 2 36 6 3 10 26 4 1 (14) 8 (14) 9 27 7 7 6 ( )( ) (42) 10 (18) 6 5 7 5 1 49 6 (3)2 ( )12 4 4 3 4 24 1 1 1 2 ( ) ( )3 ( )(2 ) 3 36 3 12 2 3 1 1 5
10、 9 (13) 6 (13) 3 6 1 5 6 ( )( ) (6) 12 (6) 6 3 5 2 1 18 8 (3)3 ( )6 3 3 2 3 12 2 1 1 1 ( ) ( )2 ( )(2 ) 2 9 3 40 4 5 1 1 9 3 (17) 4 (17) 8 24 1 9 6 ( )( ) (54) 8 (51) 6 7 9 1 7 65 1 (3)2 ( )30 6 6 5 2 3 1 1 5 2 ( ) ( )2 ( )(4 ) 3 8 2 24 4 3 4 1 2 9 (10) 5 (10) 3 9 9 7 8 ( )( ) (24) 8 (54) 8 5 7 10 10 42 7 (1)2 ( )45 9 9 5 1 12 1 1 1 4 ( ) ( )2 ( )(5 ) 3 9 3 60 6 5 1 11 1 3 (10) 1 (10) 5 10