北师大版七年级数学上册有理数计算题精选 181.docx

1、北师大版七年级数学上册有理数计算题精选 181 3 5 2 ( )( ) (36) 2 (33) 2 3 5 5 1 12 6 (2)2 ( )12 6 6 2 2 27 1 1 3 1 ( ) ( )3 ( )(2 ) 3 14 2 12 2 3 1 15 6 9 (18) 5 (18) 8 16 1 9 2 ( )( ) (54) 2 (57) 2 7 9 8 8 19 1 (3)2 ( )21 7 7 3 3 12 1 1 5 2 ( ) ( )2 ( )(4 ) 2 18 3 24 4 3 5 13 9 1 (6) 6 (6) 4 12 1 5 2 ( )( ) (90) 14 (6)

2、 2 3 5 4 6 18 7 (1)3 ( )30 5 5 6 1 9 1 1 5 1 ( ) ( )2 ( )(3 ) 3 2 2 24 4 3 4 16 1 4 (12) 3 (12) 5 15 5 7 6 ( )( ) (6) 8 (33) 6 5 7 4 6 16 1 (3)3 ( )20 5 5 4 1 27 1 1 1 6 ( ) ( )3 ( )(5 ) 3 5 2 40 4 5 4 16 2 8 (12) 5 (12) 5 15 1 7 6 ( )( ) (24) 14 (39) 6 5 7 4 1 14 8 (1)3 ( )45 5 5 9 1 16 1 1 7 2 ( )

3、 ( )3 ( )(6 ) 2 9 2 36 6 3 1 1 1 7 (2) 7 (2) 2 4 7 9 6 ( )( ) (90) 10 (27) 6 7 9 8 10 36 6 (1)2 ( )36 9 9 4 1 14 2 1 3 2 ( ) ( )3 ( )(3 ) 2 7 3 24 4 3 1 5 5 9 (18) 4 (18) 3 6 3 5 2 ( )( ) (108) 4 (54) 2 3 5 1 3 25 7 (1)2 ( )6 2 2 3 2 27 1 1 5 1 ( ) ( )2 ( )(2 ) 3 10 2 36 6 3 1 1 9 8 (18) 9 (18) 2 6

4、1 9 8 ( )( ) (84) 20 (33) 8 7 9 7 7 15 3 (2)2 ( )30 6 6 5 4 12 1 1 1 4 ( ) ( )3 ( )(6 ) 3 36 3 24 4 3 3 1 3 3 (7) 4 (7) 2 4 5 9 6 ( )( ) (66) 12 (27) 6 7 9 1 1 16 6 (3)3 ( )42 6 6 7 4 15 1 1 5 1 ( ) ( )2 ( )(4 ) 3 24 2 36 6 3 10 1 1 8 (16) 2 (16) 9 27 1 9 6 ( )( ) (114) 2 (48) 6 7 9 1 1 19 1 (3)3 (

5、)54 6 6 9 4 24 1 1 1 4 ( ) ( )2 ( )(4 ) 3 24 2 12 2 3 4 1 3 9 (8) 5 (8) 3 9 3 7 2 ( )( ) (12) 18 (42) 2 5 7 10 8 96 5 (2)3 ( )72 9 9 8 1 24 1 1 5 4 ( ) ( )3 ( )(5 ) 3 5 3 24 4 3 10 1 1 4 (13) 7 (13) 9 27 1 5 8 ( )( ) (96) 10 (54) 8 3 5 1 5 32 3 (3)2 ( )12 6 6 2 1 8 1 1 3 1 ( ) ( )3 ( )(5 ) 2 3 2 12

6、2 3 5 7 4 8 (2) 9 (2) 4 8 5 9 4 ( )( ) (18) 14 (45) 4 7 9 1 1 108 1 (1)3 ( )18 2 2 9 4 15 2 1 1 1 ( ) ( )3 ( )(6 ) 3 28 3 24 4 3 1 9 3 9 (10) 8 (10) 4 8 1 7 8 ( )( ) (42) 14 (24) 8 5 7 1 1 72 8 (1)3 ( )36 6 6 6 3 10 1 1 1 2 ( ) ( )3 ( )(5 ) 2 24 3 12 2 3 1 1 5 9 (6) 3 (6) 7 21 7 7 8 ( )( ) (72) 6 (2

7、1) 8 5 7 6 1 24 5 (2)3 ( )21 7 7 3 4 6 1 1 5 1 ( ) ( )3 ( )(5 ) 3 16 3 60 6 5 4 10 5 5 (18) 7 (18) 3 9 9 9 8 ( )( ) (54) 18 (48) 8 7 9 5 5 16 4 (3)3 ( )32 4 4 8 4 9 1 1 1 4 ( ) ( )3 ( )(5 ) 3 12 3 36 6 3 6 1 2 8 (10) 4 (10) 5 10 5 5 4 ( )( ) (78) 14 (48) 4 3 5 1 1 18 3 (2)2 ( )4 2 2 2 3 18 1 1 7 4 (

8、 ) ( )2 ( )(2 ) 2 21 3 60 6 5 1 20 7 4 (19) 3 (19) 7 21 3 5 2 ( )( ) (78) 18 (39) 2 3 5 1 3 68 9 (1)2 ( )10 2 2 5 2 24 2 1 3 1 ( ) ( )2 ( )(6 ) 3 8 3 20 2 5 2 7 8 3 (6) 9 (6) 3 6 7 9 8 ( )( ) (114) 12 (57) 8 7 9 1 3 89 4 (3)2 ( )36 4 4 9 2 12 1 1 1 6 ( ) ( )2 ( )(3 ) 3 10 2 20 2 5 9 25 2 2 (19) 1 (1

9、9) 8 24 3 5 2 ( )( ) (72) 14 (6) 2 3 5 2 2 75 8 (2)3 ( )24 3 3 8 1 12 1 1 1 4 ( ) ( )3 ( )(5 ) 3 2 3 40 4 5 9 15 4 7 (15) 3 (15) 8 16 3 5 2 ( )( ) (78) 8 (27) 2 3 5 3 5 82 5 (1)2 ( )36 4 4 9 3 12 2 1 3 1 ( ) ( )2 ( )(2 ) 2 27 3 12 2 3 1 25 7 5 (11) 6 (11) 8 24 3 5 2 ( )( ) (66) 20 (60) 2 3 5 9 7 14

10、7 (3)2 ( )56 8 8 7 2 27 1 1 3 1 ( ) ( )2 ( )(5 ) 3 18 2 24 4 3 1 3 9 8 (9) 5 (9) 2 4 1 9 6 ( )( ) (78) 16 (36) 6 7 9 2 2 52 8 (1)3 ( )12 3 3 4 1 18 1 1 1 1 ( ) ( )2 ( )(3 ) 2 4 2 12 2 3 1 10 4 6 (13) 7 (13) 3 9 9 9 8 ( )( ) (102) 6 (27) 8 7 9 4 2 59 6 (3)2 ( )12 3 3 4 3 2 2 1 3 6 ( ) ( )2 ( )(2 ) 2 6 3 40 4 5 1 1 8 9 (12) 7 (12) 6 18 1 7 2 ( )( ) (102) 10 (39) 2 5 7 1 4 17 5 (1)2 ( )15