七年级数学上册有理数计算强烈推荐 33.docx

1、七年级数学上册有理数计算强烈推荐 33 1 4 19 5 (3)3 ( )20 5 5 4 1 6 3 1 1 4 ( ) ( )2 ( )(5 ) 2 5 2 20 2 5 1 1 3 6 (18) 3 (18) 4 12 1 2 16 ( )( ) (54) 14 (39) 8 3 2 6 1 88 6 (1)2 ( )45 5 5 9 2 9 2 1 7 1 ( ) ( )2 ( )(6 ) 3 4 3 36 6 3 1 13 8 4 (12) 8 (12) 7 14 1 2 8 ( )( ) (84) 2 (24) 4 3 2 6 6 36 9 (2)3 ( )28 7 7 4 2 1

2、2 1 1 1 4 ( ) ( )3 ( )(4 ) 3 8 2 20 2 5 1 1 3 9 (10) 7 (10) 8 24 1 6 16 ( )( ) (60) 16 (21) 8 7 6 8 10 14 4 (3)3 ( )63 9 9 7 4 21 2 1 5 4 ( ) ( )3 ( )(2 ) 3 8 3 40 4 5 1 19 2 8 (11) 8 (11) 9 18 1 4 4 ( )( ) (36) 2 (3) 2 5 4 2 1 77 5 (3)2 ( )18 3 3 6 4 18 2 1 7 6 ( ) ( )2 ( )(4 ) 3 20 3 60 6 5 6 14 6

3、 7 (4) 3 (4) 5 15 5 4 8 ( )( ) (60) 18 (15) 4 5 4 8 8 49 1 (3)3 ( )45 9 9 5 2 21 2 1 1 6 ( ) ( )2 ( )(3 ) 3 6 3 60 6 5 1 1 9 7 (17) 7 (17) 5 15 3 4 4 ( )( ) (84) 16 (57) 2 5 4 7 7 95 3 (1)3 ( )48 6 6 8 3 16 3 1 5 1 ( ) ( )2 ( )(3 ) 2 21 2 40 4 5 1 5 3 6 (7) 2 (7) 3 6 9 2 16 ( )( ) (24) 16 (6) 8 3 2

4、8 1 19 2 (1)2 ( )28 7 7 4 1 14 1 1 5 6 ( ) ( )2 ( )(4 ) 2 7 2 60 6 5 1 25 6 2 (1) 5 (1) 8 24 1 2 16 ( )( ) (36) 18 (39) 8 3 2 6 1 17 9 (1)2 ( )35 7 7 5 4 18 2 1 3 1 ( ) ( )2 ( )(5 ) 3 16 3 20 2 5 3 7 5 6 (5) 8 (5) 4 8 1 4 16 ( )( ) (12) 12 (45) 8 5 4 5 1 17 5 (2)3 ( )24 4 4 6 2 27 2 1 3 4 ( ) ( )3 (

5、 )(4 ) 3 14 3 24 4 3 7 15 9 3 (12) 2 (12) 8 16 7 2 16 ( )( ) (102) 12 (24) 8 3 2 8 6 46 7 (1)3 ( )21 7 7 3 2 15 2 1 3 1 ( ) ( )2 ( )(6 ) 3 16 3 20 2 5 4 1 1 4 (20) 8 (20) 5 10 1 2 8 ( )( ) (72) 6 (15) 4 3 2 5 3 12 8 (1)2 ( )8 4 4 2 1 8 1 1 1 4 ( ) ( )3 ( )(6 ) 2 4 2 12 2 3 1 1 9 7 (6) 6 (6) 2 4 5 6

6、12 ( )( ) (30) 8 (18) 6 7 6 5 7 19 5 (3)2 ( )12 6 6 2 1 4 1 1 3 4 ( ) ( )2 ( )(4 ) 2 6 2 20 2 5 1 5 6 3 (16) 8 (16) 2 6 5 2 8 ( )( ) (60) 14 (30) 4 3 2 5 3 76 5 (2)2 ( )24 4 4 6 1 4 2 1 1 1 ( ) ( )2 ( )(2 ) 2 9 3 40 4 5 1 1 7 8 (14) 8 (14) 5 10 7 2 12 ( )( ) (84) 10 (45) 6 3 2 9 9 34 8 (1)3 ( )32 8

7、8 4 1 12 1 1 1 2 ( ) ( )2 ( )(3 ) 3 7 2 12 2 3 1 1 9 2 (6) 1 (6) 9 18 3 6 8 ( )( ) (114) 4 (36) 4 7 6 3 1 106 9 (2)2 ( )36 4 4 9 4 9 4 1 3 4 ( ) ( )3 ( )(3 ) 3 24 3 12 2 3 1 13 8 7 (14) 2 (14) 7 14 3 6 8 ( )( ) (102) 2 (33) 4 7 6 1 9 25 7 (3)3 ( )24 8 8 3 3 12 3 1 5 4 ( ) ( )3 ( )(3 ) 2 15 2 36 6 3

8、4 10 9 5 (15) 3 (15) 3 9 1 4 16 ( )( ) (108) 10 (57) 8 5 4 7 1 57 4 (2)2 ( )48 8 8 6 3 18 1 1 1 4 ( ) ( )3 ( )(5 ) 2 18 3 36 6 3 1 5 2 1 (8) 1 (8) 2 6 1 2 4 ( )( ) (42) 16 (24) 2 3 2 7 5 14 7 (2)2 ( )12 6 6 2 1 8 3 1 1 1 ( ) ( )2 ( )(3 ) 2 3 2 60 6 5 1 1 4 1 (8) 8 (8) 3 6 3 2 8 ( )( ) (48) 8 (45) 4

9、3 2 3 3 43 4 (1)2 ( )6 2 2 3 1 4 3 1 1 2 ( ) ( )2 ( )(6 ) 2 2 2 12 2 3 7 1 9 2 (10) 4 (10) 6 18 5 6 8 ( )( ) (30) 8 (30) 4 7 6 1 3 88 4 (1)3 ( )18 2 2 9 4 21 1 1 5 6 ( ) ( )3 ( )(6 ) 3 24 3 60 6 5 1 9 1 2 (6) 3 (6) 4 8 1 2 4 ( )( ) (42) 4 (24) 2 3 2 9 9 16 8 (3)3 ( )64 8 8 8 1 14 1 1 7 4 ( ) ( )3 (

10、)(5 ) 2 4 3 36 6 3 1 14 8 7 (7) 4 (7) 5 15 3 2 8 ( )( ) (54) 10 (24) 4 3 2 9 9 19 9 (1)2 ( )64 8 8 8 1 3 4 1 3 2 ( ) ( )2 ( )(6 ) 3 6 3 24 4 3 8 17 2 6 (20) 9 (20) 9 18 1 6 8 ( )( ) (120) 4 (21) 4 7 6 1 1 15 8 (3)3 ( )24 4 4 6 1 6 1 1 5 2 ( ) ( )3 ( )(6 ) 3 2 2 24 4 3 10 28 1 5 (5) 1 (5) 9 27 1 2 4 ( )( ) (30) 10 (33) 2 3 2 1 4 48 3 (1)2 ( )9 3 3 3 1 12 1 1 3 2 ( ) ( )2 ( )(2 ) 2 9 2 24