七年级数学上册有理数计算强烈推荐 105.docx

1、七年级数学上册有理数计算强烈推荐 105 5 7 97 2 (2)3 ( )48 6 6 8 1 2 1 1 5 2 ( ) ( )3 ( )(6 ) 2 9 2 24 4 3 8 20 2 2 (15) 8 (15) 7 21 1 2 4 ( )( ) (48) 18 (18) 2 3 2 1 1 68 8 (1)2 ( )10 2 2 5 1 6 1 1 1 4 ( ) ( )3 ( )(5 ) 2 8 3 60 6 5 7 1 8 8 (12) 3 (12) 8 24 1 2 8 ( )( ) (102) 14 (39) 4 3 2 4 1 77 6 (1)2 ( )30 5 5 6 1

2、 3 4 1 1 4 ( ) ( )3 ( )(2 ) 3 9 3 12 2 3 1 11 3 6 (5) 7 (5) 4 12 5 2 12 ( )( ) (42) 20 (51) 6 3 2 8 10 37 6 (2)3 ( )36 9 9 4 2 15 1 1 3 2 ( ) ( )3 ( )(5 ) 3 10 2 12 2 3 6 22 3 5 (4) 2 (4) 7 21 1 4 4 ( )( ) (84) 8 (15) 2 5 4 5 7 18 4 (2)2 ( )48 6 6 8 1 3 1 1 5 1 ( ) ( )2 ( )(3 ) 3 5 2 24 4 3 1 1 7 3

3、(1) 6 (1) 9 27 1 6 8 ( )( ) (18) 8 (33) 4 7 6 1 6 18 7 (2)2 ( )14 7 7 2 4 24 1 1 3 1 ( ) ( )3 ( )(3 ) 3 24 2 40 4 5 4 11 6 7 (6) 4 (6) 5 10 1 4 12 ( )( ) (96) 12 (51) 6 5 4 1 1 82 1 (1)3 ( )21 3 3 7 1 2 2 1 5 1 ( ) ( )3 ( )(4 ) 2 6 3 60 6 5 1 17 3 9 (16) 9 (16) 6 18 1 4 16 ( )( ) (36) 2 (60) 8 5 4 2

4、 2 45 2 (1)2 ( )15 3 3 5 3 12 1 1 7 1 ( ) ( )2 ( )(2 ) 2 27 3 60 6 5 1 1 1 5 (5) 1 (5) 2 6 9 4 16 ( )( ) (48) 18 (24) 8 5 4 7 1 84 2 (1)3 ( )72 8 8 9 2 18 1 1 1 1 ( ) ( )3 ( )(2 ) 3 16 3 24 4 3 5 1 1 9 (10) 3 (10) 4 12 1 2 12 ( )( ) (48) 8 (6) 6 3 2 6 1 19 5 (2)3 ( )42 7 7 6 1 8 1 1 5 4 ( ) ( )2 ( )

5、(2 ) 2 8 2 24 4 3 1 1 8 8 (16) 6 (16) 4 12 1 4 16 ( )( ) (60) 12 (51) 8 5 4 7 1 72 5 (3)2 ( )48 6 6 8 1 10 1 1 1 4 ( ) ( )2 ( )(5 ) 2 5 2 36 6 3 3 7 7 3 (9) 5 (9) 4 8 3 6 8 ( )( ) (90) 10 (27) 4 7 6 1 3 14 3 (1)3 ( )16 2 2 8 3 8 1 1 5 1 ( ) ( )2 ( )(5 ) 2 15 3 40 4 5 1 1 8 5 (19) 1 (19) 2 6 3 2 8 (

6、)( ) (30) 10 (24) 4 3 2 7 1 63 3 (2)2 ( )40 8 8 5 1 2 4 1 5 1 ( ) ( )3 ( )(2 ) 2 9 3 24 4 3 1 1 5 3 (7) 8 (7) 8 24 1 4 4 ( )( ) (72) 14 (27) 2 5 4 1 1 39 7 (3)2 ( )24 6 6 4 3 16 1 1 5 2 ( ) ( )2 ( )(2 ) 2 27 2 24 4 3 1 1 3 1 (4) 6 (4) 3 9 7 4 16 ( )( ) (96) 18 (15) 8 5 4 8 10 74 6 (3)3 ( )54 9 9 6 2

7、 18 1 1 3 1 ( ) ( )2 ( )(6 ) 3 18 3 20 2 5 5 7 8 4 (3) 4 (3) 4 8 1 4 8 ( )( ) (36) 6 (18) 4 5 4 3 3 75 6 (2)3 ( )24 4 4 6 2 18 2 1 5 1 ( ) ( )2 ( )(2 ) 3 14 3 40 4 5 10 26 4 8 (4) 7 (4) 9 27 5 4 12 ( )( ) (120) 6 (51) 6 5 4 1 1 77 6 (2)3 ( )72 9 9 8 2 27 4 1 1 4 ( ) ( )3 ( )(2 ) 3 18 3 20 2 5 8 1 4

8、9 (2) 6 (2) 7 21 3 4 8 ( )( ) (30) 20 (27) 4 5 4 9 9 14 6 (2)2 ( )24 8 8 3 1 8 1 1 1 6 ( ) ( )2 ( )(6 ) 2 2 3 20 2 5 2 1 8 5 (13) 1 (13) 3 9 5 4 8 ( )( ) (48) 12 (54) 4 5 4 3 5 15 2 (3)2 ( )28 4 4 7 3 10 1 1 7 2 ( ) ( )2 ( )(3 ) 2 18 2 36 6 3 4 16 6 3 (14) 3 (14) 5 15 5 4 8 ( )( ) (102) 20 (36) 4 5

9、4 6 6 32 6 (1)3 ( )28 7 7 4 1 2 1 1 3 4 ( ) ( )3 ( )(3 ) 2 8 2 20 2 5 7 15 3 4 (2) 8 (2) 8 16 5 4 12 ( )( ) (36) 4 (15) 6 5 4 5 5 35 4 (1)2 ( )16 4 4 4 2 15 3 1 1 4 ( ) ( )2 ( )(2 ) 3 10 2 36 6 3 1 9 3 9 (19) 8 (19) 5 10 1 6 16 ( )( ) (18) 4 (12) 8 7 6 1 3 88 2 (1)3 ( )36 4 4 9 2 18 1 1 5 6 ( ) ( )3

10、 ( )(5 ) 3 4 2 40 4 5 6 9 1 3 (18) 2 (18) 5 10 1 2 4 ( )( ) (54) 4 (45) 2 3 2 1 3 18 3 (3)3 ( )14 2 2 7 4 3 1 1 5 2 ( ) ( )3 ( )(6 ) 3 8 2 36 6 3 1 15 3 8 (1) 5 (1) 8 16 3 6 8 ( )( ) (120) 18 (15) 4 7 6 8 8 75 6 (1)2 ( )54 9 9 6 1 6 1 1 1 4 ( ) ( )2 ( )(6 ) 3 4 2 36 6 3 6 15 1 3 (17) 2 (17) 7 14 7 6 12 ( )( ) (114) 10 (30) 6 7 6 6 1 14 4 (2)2 ( )10 5 5 2 2 6 4 1 3 2 ( ) ( )2 ( )(2 ) 3 12 3