1、七年级数学上册有理数计算强烈推荐 27 1 1 8 7 (18) 8 (18) 9 18 7 4 12 ( )( ) (36) 12 (6) 6 5 4 4 1 86 7 (2)3 ( )27 3 3 9 1 6 4 1 1 1 ( ) ( )2 ( )(2 ) 3 4 3 12 2 3 8 26 3 2 (16) 1 (16) 9 27 1 2 8 ( )( ) (90) 18 (30) 4 3 2 7 1 13 9 (1)2 ( )18 6 6 3 2 6 1 1 1 4 ( ) ( )3 ( )(2 ) 3 10 2 12 2 3 9 23 6 7 (16) 4 (16) 8 24 7
2、4 12 ( )( ) (108) 4 (3) 6 5 4 1 4 15 3 (2)2 ( )40 5 5 8 3 18 1 1 7 1 ( ) ( )3 ( )(3 ) 2 12 2 60 6 5 1 13 5 8 (7) 2 (7) 4 12 5 6 12 ( )( ) (36) 2 (18) 6 7 6 1 1 18 7 (1)2 ( )54 6 6 9 4 6 3 1 5 6 ( ) ( )3 ( )(5 ) 3 8 2 60 6 5 1 5 4 8 (9) 3 (9) 3 6 5 2 12 ( )( ) (36) 8 (12) 6 3 2 1 1 18 3 (3)3 ( )16 8
3、8 2 3 16 1 1 5 1 ( ) ( )2 ( )(5 ) 2 12 2 60 6 5 2 1 2 3 (19) 8 (19) 3 6 5 4 12 ( )( ) (36) 12 (39) 6 5 4 9 7 17 3 (1)3 ( )16 8 8 2 2 18 4 1 5 2 ( ) ( )2 ( )(3 ) 3 8 3 24 4 3 5 1 9 5 (12) 2 (12) 4 8 1 2 12 ( )( ) (48) 12 (21) 6 3 2 4 4 75 1 (2)2 ( )40 5 5 8 1 12 2 1 1 2 ( ) ( )2 ( )(3 ) 2 9 3 12 2 3
4、3 7 4 8 (4) 8 (4) 4 8 7 6 12 ( )( ) (72) 20 (54) 6 7 6 1 1 86 4 (1)3 ( )54 6 6 9 1 15 1 1 3 4 ( ) ( )3 ( )(6 ) 3 5 2 12 2 3 1 14 4 5 (19) 7 (19) 5 15 9 6 16 ( )( ) (114) 8 (36) 8 7 6 2 2 85 9 (3)2 ( )27 3 3 9 1 6 1 1 7 6 ( ) ( )3 ( )(4 ) 2 6 2 60 6 5 7 1 8 7 (13) 1 (13) 8 24 7 2 12 ( )( ) (42) 10 (6
5、0) 6 3 2 1 1 12 7 (1)2 ( )56 8 8 7 1 21 1 1 3 1 ( ) ( )2 ( )(3 ) 3 3 2 24 4 3 7 19 2 2 (17) 9 (17) 6 18 3 6 8 ( )( ) (108) 2 (3) 4 7 6 3 1 54 2 (3)2 ( )24 4 4 6 3 4 4 1 5 2 ( ) ( )2 ( )(2 ) 2 21 3 36 6 3 6 1 2 7 (15) 1 (15) 7 21 3 4 4 ( )( ) (54) 20 (18) 2 5 4 1 1 35 1 (1)2 ( )20 5 5 4 1 15 2 1 3 4
6、( ) ( )3 ( )(4 ) 3 2 3 20 2 5 1 17 7 2 (11) 2 (11) 6 18 3 6 8 ( )( ) (102) 8 (33) 4 7 6 6 8 13 7 (3)3 ( )21 7 7 3 1 8 1 1 1 6 ( ) ( )3 ( )(5 ) 2 5 3 20 2 5 4 1 4 3 (17) 7 (17) 5 10 1 2 4 ( )( ) (60) 18 (18) 2 3 2 6 4 47 5 (1)2 ( )15 5 5 3 1 4 3 1 3 6 ( ) ( )3 ( )(5 ) 2 7 2 20 2 5 1 1 2 5 (3) 4 (3) 9
7、 27 7 4 16 ( )( ) (18) 6 (12) 8 5 4 8 6 19 8 (1)2 ( )14 7 7 2 1 2 4 1 1 4 ( ) ( )2 ( )(3 ) 2 2 3 12 2 3 4 11 4 1 (12) 9 (12) 5 10 5 2 12 ( )( ) (102) 2 (30) 6 3 2 1 6 16 1 (3)2 ( )35 5 5 7 4 18 1 1 1 2 ( ) ( )3 ( )(3 ) 3 32 2 24 4 3 1 1 7 4 (3) 6 (3) 5 15 1 6 8 ( )( ) (30) 8 (60) 4 7 6 1 8 17 9 (1)2
8、 ( )28 7 7 4 2 24 4 1 3 6 ( ) ( )3 ( )(2 ) 3 12 3 40 4 5 1 9 5 8 (19) 9 (19) 4 8 9 6 16 ( )( ) (90) 2 (60) 8 7 6 1 5 83 8 (3)2 ( )54 6 6 9 1 6 2 1 3 4 ( ) ( )3 ( )(2 ) 3 2 3 40 4 5 5 1 2 3 (4) 9 (4) 6 18 1 6 4 ( )( ) (54) 10 (57) 2 7 6 1 3 14 6 (1)2 ( )8 4 4 2 3 4 1 1 1 6 ( ) ( )2 ( )(4 ) 2 18 3 20
9、2 5 10 19 7 2 (12) 2 (12) 9 18 1 6 16 ( )( ) (18) 20 (39) 8 7 6 8 8 12 8 (1)2 ( )56 7 7 8 2 27 4 1 3 6 ( ) ( )2 ( )(2 ) 3 6 3 40 4 5 1 15 4 7 (6) 2 (6) 8 16 3 2 4 ( )( ) (102) 12 (18) 2 3 2 1 1 23 5 (2)2 ( )6 2 2 3 1 18 3 1 5 1 ( ) ( )3 ( )(2 ) 2 4 2 60 6 5 6 1 7 3 (4) 3 (4) 7 14 9 4 16 ( )( ) (54)
10、10 (57) 8 5 4 3 1 12 5 (3)2 ( )18 2 2 9 4 24 1 1 1 2 ( ) ( )2 ( )(5 ) 3 16 2 12 2 3 1 26 8 5 (12) 6 (12) 9 27 1 6 12 ( )( ) (18) 16 (9) 6 7 6 1 1 92 1 (2)2 ( )24 3 3 8 2 15 3 1 1 6 ( ) ( )3 ( )(6 ) 3 8 2 40 4 5 6 16 6 7 (20) 4 (20) 5 15 7 6 12 ( )( ) (12) 10 (30) 6 7 6 5 5 73 1 (1)2 ( )36 6 6 6 3 18 1 1 1 2 ( ) ( )3 ( )(5 ) 2 6 2 36 6 3 1 13 4 3 (9) 6 (9) 4 12 1 2 16 ( )( ) (78) 16 (54) 8 3
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