北师大版七年级数学上册有理数计算题精选 98.docx

1、北师大版七年级数学上册有理数计算题精选 98 6 1 5 5 (8) 5 (8) 7 21 7 7 6 ( )( ) (48) 20 (57) 6 5 7 1 1 16 9 (3)3 ( )30 6 6 5 4 12 1 1 3 4 ( ) ( )3 ( )(2 ) 3 28 2 12 2 3 8 26 5 5 (10) 1 (10) 9 27 1 7 4 ( )( ) (96) 16 (57) 4 5 7 8 1 13 9 (1)3 ( )14 7 7 2 1 16 1 1 1 1 ( ) ( )3 ( )(3 ) 2 7 2 24 4 3 5 11 3 1 (1) 6 (1) 6 12 7

2、 5 6 ( )( ) (30) 20 (30) 6 3 5 3 3 13 4 (3)2 ( )24 4 4 6 1 4 2 1 1 2 ( ) ( )2 ( )(3 ) 2 9 3 24 4 3 10 26 9 4 (4) 7 (4) 9 27 7 9 8 ( )( ) (120) 16 (27) 8 7 9 6 6 58 3 (2)3 ( )20 5 5 4 1 18 1 1 5 6 ( ) ( )3 ( )(3 ) 2 8 2 40 4 5 7 1 3 1 (3) 8 (3) 6 12 1 7 4 ( )( ) (24) 18 (6) 4 5 7 5 5 15 5 (3)2 ( )12

3、6 6 2 1 14 1 1 5 6 ( ) ( )2 ( )(2 ) 2 9 3 40 4 5 9 1 7 2 (17) 5 (17) 8 24 1 5 4 ( )( ) (66) 18 (30) 4 3 5 4 1 93 2 (1)3 ( )40 5 5 8 2 24 1 1 3 1 ( ) ( )3 ( )(6 ) 3 10 2 20 2 5 2 1 6 7 (19) 4 (19) 3 9 7 9 6 ( )( ) (12) 18 (12) 6 7 9 2 1 84 9 (3)3 ( )21 3 3 7 1 15 1 1 7 4 ( ) ( )2 ( )(6 ) 3 5 2 36 6 3

4、 8 26 5 1 (20) 5 (20) 9 27 5 5 6 ( )( ) (48) 8 (57) 6 3 5 1 3 75 8 (1)2 ( )24 4 4 6 1 6 1 1 1 1 ( ) ( )3 ( )(5 ) 2 2 3 60 6 5 1 7 2 6 (8) 3 (8) 2 6 1 7 2 ( )( ) (12) 12 (3) 2 5 7 9 9 92 2 (2)2 ( )64 8 8 8 1 4 1 1 1 4 ( ) ( )3 ( )(5 ) 2 6 2 20 2 5 2 1 3 6 (7) 5 (7) 3 9 7 5 6 ( )( ) (30) 20 (33) 6 3 5

5、 1 3 13 4 (1)2 ( )12 2 2 6 1 4 1 1 3 1 ( ) ( )3 ( )(6 ) 2 8 2 40 4 5 1 1 1 6 (10) 8 (10) 9 27 1 5 2 ( )( ) (66) 4 (15) 2 3 5 1 6 63 5 (1)3 ( )49 7 7 7 1 9 1 1 3 6 ( ) ( )2 ( )(3 ) 3 7 2 20 2 5 6 9 3 9 (5) 8 (5) 5 10 1 9 8 ( )( ) (72) 8 (45) 8 7 9 1 3 86 3 (2)3 ( )18 2 2 9 2 6 1 1 1 6 ( ) ( )2 ( )(6

6、) 3 8 2 60 6 5 7 17 9 2 (1) 6 (1) 6 18 9 5 8 ( )( ) (30) 12 (39) 8 3 5 1 1 79 3 (2)2 ( )12 2 2 6 4 18 2 1 3 1 ( ) ( )3 ( )(4 ) 3 16 3 40 4 5 5 19 9 4 (19) 7 (19) 6 18 7 5 6 ( )( ) (72) 12 (3) 6 3 5 1 5 14 9 (1)3 ( )42 6 6 7 1 14 1 1 1 4 ( ) ( )2 ( )(2 ) 2 7 2 40 4 5 1 3 5 3 (9) 7 (9) 2 4 3 9 2 ( )(

7、) (78) 16 (45) 2 7 9 1 1 16 3 (2)3 ( )32 8 8 4 1 8 1 1 5 2 ( ) ( )3 ( )(5 ) 2 6 2 36 6 3 8 13 2 8 (11) 6 (11) 7 14 3 9 2 ( )( ) (66) 2 (45) 2 7 9 5 5 16 7 (2)2 ( )32 4 4 8 4 18 1 1 1 4 ( ) ( )2 ( )(2 ) 3 24 3 36 6 3 1 20 1 8 (9) 3 (9) 7 21 3 9 4 ( )( ) (90) 2 (39) 4 7 9 2 1 12 1 (2)2 ( )6 3 3 2 2 3

8、2 1 3 2 ( ) ( )3 ( )(6 ) 3 10 3 12 2 3 6 9 9 1 (12) 2 (12) 5 10 7 7 8 ( )( ) (42) 20 (48) 8 5 7 5 5 13 4 (3)3 ( )32 4 4 8 2 9 1 1 5 1 ( ) ( )2 ( )(3 ) 3 14 2 60 6 5 6 9 8 9 (20) 3 (20) 5 10 1 5 8 ( )( ) (36) 6 (54) 8 3 5 10 1 98 2 (1)3 ( )72 9 9 8 4 15 1 1 7 6 ( ) ( )2 ( )(6 ) 3 20 2 60 6 5 7 13 4 8

9、 (16) 4 (16) 6 12 5 7 6 ( )( ) (78) 20 (27) 6 5 7 1 1 13 1 (1)3 ( )12 2 2 6 1 10 1 1 1 1 ( ) ( )2 ( )(6 ) 2 9 2 24 4 3 8 1 1 7 (12) 3 (12) 9 18 7 5 8 ( )( ) (90) 14 (3) 8 3 5 8 1 23 2 (1)2 ( )21 7 7 3 4 12 1 1 1 1 ( ) ( )3 ( )(5 ) 3 20 3 60 6 5 10 19 3 6 (4) 6 (4) 9 18 3 7 2 ( )( ) (102) 2 (6) 2 5 7

10、 1 1 18 1 (2)2 ( )6 2 2 3 1 4 1 1 1 6 ( ) ( )3 ( )(3 ) 2 4 3 20 2 5 5 1 9 8 (14) 2 (14) 6 18 1 9 2 ( )( ) (12) 18 (6) 2 7 9 8 8 13 1 (1)3 ( )36 9 9 4 1 2 2 1 7 6 ( ) ( )3 ( )(2 ) 2 3 3 60 6 5 5 19 1 7 (8) 8 (8) 6 18 3 9 4 ( )( ) (6) 8 (15) 4 7 9 10 8 85 6 (3)3 ( )81 9 9 9 2 18 1 1 1 4 ( ) ( )3 ( )(4 ) 3 12 2 60 6 5 1 7 5 9 (11) 8 (11) 2 6 1 5 2 ( )( ) (48) 8 (39) 2 3 5