七年级数学上册有理数计算强烈推荐 99.docx

1、七年级数学上册有理数计算强烈推荐 99 1 1 7 4 (18) 9 (18) 6 18 7 6 16 ( )( ) (84) 2 (60) 8 7 6 1 5 12 9 (2)2 ( )24 6 6 4 4 15 4 1 5 6 ( ) ( )3 ( )(3 ) 3 36 3 60 6 5 8 20 3 7 (16) 8 (16) 7 21 5 6 12 ( )( ) (36) 4 (54) 6 7 6 4 4 13 5 (3)3 ( )10 5 5 2 3 18 1 1 7 2 ( ) ( )2 ( )(2 ) 2 27 2 36 6 3 10 1 9 2 (16) 9 (16) 9 27

2、 3 4 8 ( )( ) (18) 12 (57) 4 5 4 1 4 55 7 (3)3 ( )20 5 5 4 1 16 4 1 5 1 ( ) ( )3 ( )(5 ) 2 5 3 60 6 5 1 3 6 9 (6) 4 (6) 2 4 5 4 8 ( )( ) (72) 16 (18) 4 5 4 4 1 19 9 (3)2 ( )15 5 5 3 1 6 4 1 5 6 ( ) ( )3 ( )(4 ) 2 2 3 60 6 5 2 1 4 3 (14) 1 (14) 3 9 3 6 8 ( )( ) (66) 2 (39) 4 7 6 1 2 17 2 (1)3 ( )18 3

3、 3 6 4 15 4 1 5 4 ( ) ( )2 ( )(5 ) 3 36 3 24 4 3 1 26 3 5 (7) 5 (7) 9 27 1 2 8 ( )( ) (36) 14 (33) 4 3 2 1 4 38 1 (3)3 ( )6 3 3 2 2 6 2 1 1 1 ( ) ( )2 ( )(5 ) 3 12 3 20 2 5 7 23 5 7 (13) 8 (13) 8 24 1 6 12 ( )( ) (72) 4 (57) 6 7 6 1 2 17 4 (1)2 ( )21 3 3 7 3 12 3 1 1 6 ( ) ( )3 ( )(6 ) 2 15 2 20 2 5

4、 1 14 2 2 (19) 9 (19) 5 15 7 2 16 ( )( ) (60) 18 (12) 8 3 2 10 8 69 3 (2)3 ( )63 9 9 7 1 16 2 1 1 2 ( ) ( )3 ( )(2 ) 2 5 3 12 2 3 9 15 6 5 (15) 2 (15) 8 16 3 6 4 ( )( ) (48) 8 (12) 2 7 6 3 5 87 4 (3)3 ( )28 4 4 7 3 14 1 1 3 4 ( ) ( )3 ( )(3 ) 2 6 3 20 2 5 4 1 8 6 (9) 6 (9) 5 10 5 2 12 ( )( ) (102) 1

5、0 (48) 6 3 2 2 1 59 5 (1)2 ( )18 3 3 6 1 4 1 1 7 4 ( ) ( )3 ( )(3 ) 2 5 2 36 6 3 3 5 7 6 (9) 7 (9) 2 4 9 2 16 ( )( ) (72) 2 (54) 8 3 2 8 1 103 8 (3)2 ( )63 7 7 9 4 27 1 1 3 4 ( ) ( )3 ( )(5 ) 3 24 2 12 2 3 7 1 4 1 (4) 8 (4) 6 18 5 6 8 ( )( ) (108) 16 (39) 4 7 6 2 2 29 5 (2)3 ( )9 3 3 3 3 8 1 1 1 1 ( ) ( )3 ( )(3 ) 2 12 2 40 4 5 6 1 8 3 (20) 4 (20) 5 10