1、北师大版七年级数学上册有理数计算题精选 70 1 5 6 ( )( ) (78) 6 (45) 6 3 5 10 8 56 7 (1)2 ( )54 9 9 6 1 12 2 1 3 2 ( ) ( )2 ( )(5 ) 2 7 3 24 4 3 7 19 4 9 (16) 1 (16) 6 18 1 7 4 ( )( ) (66) 10 (24) 4 5 7 1 3 19 4 (3)3 ( )14 2 2 7 2 9 1 1 5 4 ( ) ( )2 ( )(2 ) 3 16 2 36 6 3 6 1 7 4 (12) 6 (12) 7 14 7 5 6 ( )( ) (54) 18 (57
2、) 6 3 5 1 7 103 1 (2)3 ( )54 6 6 9 2 27 2 1 1 1 ( ) ( )3 ( )(6 ) 3 12 3 60 6 5 1 19 6 7 (18) 5 (18) 6 18 7 7 6 ( )( ) (6) 12 (21) 6 5 7 9 9 64 5 (1)3 ( )56 8 8 7 1 18 1 1 1 2 ( ) ( )3 ( )(2 ) 2 3 2 12 2 3 1 1 4 4 (16) 3 (16) 2 6 1 7 8 ( )( ) (24) 18 (54) 8 5 7 1 3 18 2 (2)2 ( )8 2 2 4 3 16 2 1 5 1 (
3、 ) ( )2 ( )(5 ) 2 21 3 60 6 5 1 1 9 3 (6) 6 (6) 4 8 7 9 8 ( )( ) (36) 6 (18) 8 7 9 7 7 106 9 (3)2 ( )54 6 6 9 4 15 2 1 7 6 ( ) ( )2 ( )(5 ) 3 8 3 60 6 5 7 1 1 5 (7) 5 (7) 6 12 7 5 6 ( )( ) (30) 20 (57) 6 3 5 4 4 76 3 (2)3 ( )18 3 3 6 2 3 1 1 5 4 ( ) ( )2 ( )(5 ) 3 16 2 36 6 3 1 17 5 6 (14) 7 (14) 6
4、18 1 7 8 ( )( ) (54) 16 (57) 8 5 7 2 4 55 2 (3)3 ( )18 3 3 6 2 3 1 1 5 4 ( ) ( )3 ( )(2 ) 3 4 2 36 6 3 2 7 3 5 (12) 3 (12) 3 6 5 7 6 ( )( ) (48) 8 (21) 6 5 7 8 1 46 8 (2)2 ( )27 9 9 3 1 16 1 1 7 6 ( ) ( )3 ( )(4 ) 2 3 3 60 6 5 1 7 7 1 (3) 5 (3) 2 6 1 9 2 ( )( ) (42) 10 (42) 2 7 9 1 1 35 5 (3)3 ( )4
5、2 2 2 1 14 1 1 1 1 ( ) ( )3 ( )(5 ) 2 6 2 24 4 3 1 9 7 6 (8) 4 (8) 5 10 1 9 6 ( )( ) (114) 18 (12) 6 7 9 4 4 15 3 (3)3 ( )10 5 5 2 1 18 1 1 7 1 ( ) ( )2 ( )(5 ) 2 4 2 36 6 3 6 1 6 9 (19) 3 (19) 7 14 1 9 8 ( )( ) (24) 18 (12) 8 7 9 3 1 17 7 (1)3 ( )14 2 2 7 1 14 1 1 1 1 ( ) ( )3 ( )(3 ) 2 5 2 60 6 5
6、6 1 1 6 (15) 6 (15) 7 14 7 9 6 ( )( ) (6) 4 (54) 6 7 9 3 3 17 3 (1)2 ( )12 2 2 6 2 12 2 1 1 6 ( ) ( )3 ( )(5 ) 3 16 3 60 6 5 1 20 2 6 (7) 1 (7) 7 21 1 9 8 ( )( ) (72) 4 (9) 8 7 9 5 3 15 7 (1)2 ( )20 4 4 5 1 10 1 1 5 6 ( ) ( )2 ( )(2 ) 2 9 2 60 6 5 7 25 3 5 (3) 3 (3) 8 24 3 5 2 ( )( ) (42) 8 (45) 2 3
7、 5 1 8 37 4 (2)2 ( )14 7 7 2 2 21 1 1 5 2 ( ) ( )2 ( )(6 ) 3 12 3 36 6 3 1 1 9 5 (3) 2 (3) 4 12 3 5 4 ( )( ) (54) 4 (33) 4 3 5 8 1 12 5 (1)3 ( )49 7 7 7 1 4 2 1 3 1 ( ) ( )3 ( )(4 ) 2 5 3 40 4 5 1 5 6 2 (2) 2 (2) 2 4 7 7 6 ( )( ) (24) 20 (48) 6 5 7 3 1 45 1 (3)2 ( )10 2 2 5 1 10 1 1 1 6 ( ) ( )2 ( )
8、(2 ) 2 3 2 20 2 5 2 8 1 4 (1) 3 (1) 3 9 1 5 2 ( )( ) (108) 20 (27) 2 3 5 7 7 45 4 (2)2 ( )18 6 6 3 1 18 1 1 7 6 ( ) ( )3 ( )(6 ) 2 3 2 60 6 5 1 1 7 7 (5) 4 (5) 9 18 5 5 6 ( )( ) (24) 4 (42) 6 3 5 8 8 12 6 (1)2 ( )14 7 7 2 1 16 1 1 5 4 ( ) ( )2 ( )(6 ) 2 7 3 60 6 5 7 15 7 3 (3) 3 (3) 8 16 5 7 4 ( )(
9、) (120) 18 (42) 4 5 7 1 4 77 8 (3)2 ( )40 5 5 8 1 2 1 1 1 1 ( ) ( )2 ( )(2 ) 2 3 2 36 6 3 10 28 1 2 (8) 3 (8) 9 27 1 7 2 ( )( ) (66) 6 (24) 2 5 7 2 2 37 8 (3)2 ( )12 3 3 4 2 6 2 1 1 6 ( ) ( )2 ( )(4 ) 3 18 3 20 2 5 3 11 7 6 (17) 7 (17) 4 12 3 9 2 ( )( ) (48) 14 (21) 2 7 9 4 6 12 2 (3)3 ( )20 5 5 4 2
10、 27 2 1 3 6 ( ) ( )3 ( )(5 ) 3 14 3 40 4 5 4 1 8 3 (2) 5 (2) 5 10 3 7 4 ( )( ) (108) 18 (48) 4 5 7 3 1 76 5 (1)3 ( )16 2 2 8 4 12 2 1 1 1 ( ) ( )3 ( )(6 ) 3 16 3 20 2 5 8 26 3 3 (13) 2 (13) 9 27 1 7 6 ( )( ) (114) 12 (15) 6 5 7 4 4 47 2 (3)2 ( )9 3 3 3 1 4 1 1 5 1 ( ) ( )2 ( )(6 ) 2 9 2 24 4 3 5 11 7 7 (9) 6 (9) 6 12 5 5 4 ( )( ) (30) 6 (21) 4 3 5 1 3 75 9 (3)3 ( )16 2 2 8
