北师大版七年级数学上册有理数计算题精选 63.docx

1、北师大版七年级数学上册有理数计算题精选 63 1 9 1 1 3 1 ( ) ( )2 ( )(5 ) 3 7 3 24 4 3 1 1 7 3 (11) 7 (11) 3 6 9 9 8 ( )( ) (120) 14 (6) 8 7 9 1 10 63 5 (1)3 ( )45 9 9 5 3 12 1 1 1 4 ( ) ( )2 ( )(2 ) 2 24 2 36 6 3 4 10 2 2 (19) 8 (19) 3 9 1 9 8 ( )( ) (18) 14 (21) 8 7 9 6 8 38 8 (1)3 ( )28 7 7 4 1 21 1 1 7 4 ( ) ( )3 ( )

2、(4 ) 3 2 2 36 6 3 7 15 6 7 (5) 5 (5) 8 16 9 7 8 ( )( ) (18) 14 (36) 8 5 7 5 1 103 1 (2)3 ( )36 4 4 9 1 21 2 1 1 1 ( ) ( )2 ( )(5 ) 3 4 3 40 4 5 2 8 5 6 (4) 4 (4) 3 9 3 9 4 ( )( ) (42) 2 (15) 4 7 9 1 3 55 4 (2)3 ( )12 2 2 6 1 14 1 1 7 4 ( ) ( )2 ( )(6 ) 2 9 2 36 6 3 4 5 8 7 (9) 8 (9) 3 6 1 7 2 ( )( )

3、 (12) 14 (45) 2 5 7 4 1 13 1 (2)3 ( )15 5 5 3 1 15 2 1 3 4 ( ) ( )2 ( )(6 ) 3 3 3 20 2 5 1 1 4 7 (14) 2 (14) 9 27 1 9 2 ( )( ) (78) 20 (15) 2 7 9 4 2 86 5 (2)2 ( )27 3 3 9 4 18 1 1 1 1 ( ) ( )2 ( )(3 ) 3 32 2 40 4 5 8 15 9 8 (18) 5 (18) 7 14 1 9 6 ( )( ) (54) 18 (27) 6 7 9 2 4 49 8 (2)2 ( )9 3 3 3 1

4、 14 1 1 3 4 ( ) ( )2 ( )(2 ) 2 4 3 24 4 3 7 1 3 1 (20) 5 (20) 6 18 9 5 8 ( )( ) (72) 6 (21) 8 3 5 5 1 15 2 (1)2 ( )54 6 6 9 3 6 2 1 3 1 ( ) ( )2 ( )(4 ) 2 18 3 40 4 5 1 19 6 6 (14) 4 (14) 6 18 1 5 2 ( )( ) (36) 16 (15) 2 3 5 2 4 15 2 (1)3 ( )12 3 3 4 1 12 1 1 1 4 ( ) ( )2 ( )(6 ) 3 9 3 12 2 3 1 10 2

5、 7 (2) 1 (2) 3 9 1 7 2 ( )( ) (54) 10 (27) 2 5 7 6 6 18 9 (2)2 ( )56 7 7 8 1 21 1 1 1 4 ( ) ( )3 ( )(6 ) 3 5 2 40 4 5 10 17 8 8 (10) 5 (10) 9 18 3 9 4 ( )( ) (60) 12 (24) 4 7 9 1 7 63 3 (2)2 ( )42 6 6 7 1 16 1 1 1 1 ( ) ( )3 ( )(2 ) 2 5 2 12 2 3 1 28 6 3 (10) 4 (10) 9 27 3 7 4 ( )( ) (66) 12 (60) 4

6、5 7 5 5 15 3 (1)3 ( )8 4 4 2 2 6 1 1 1 2 ( ) ( )3 ( )(4 ) 3 8 2 36 6 3 1 1 1 2 (5) 5 (5) 7 21 1 9 4 ( )( ) (24) 8 (57) 4 7 9 1 5 72 8 (2)2 ( )32 4 4 8 1 10 1 1 1 1 ( ) ( )3 ( )(2 ) 2 4 3 20 2 5 4 16 9 6 (11) 2 (11) 5 15 3 9 2 ( )( ) (18) 4 (45) 2 7 9 1 3 43 4 (2)3 ( )10 2 2 5 3 18 1 1 1 1 ( ) ( )3 (

7、 )(6 ) 2 12 3 24 4 3 1 22 2 4 (19) 6 (19) 7 21 3 7 4 ( )( ) (96) 6 (12) 4 5 7 1 1 15 3 (3)3 ( )9 3 3 3 1 9 2 1 3 1 ( ) ( )3 ( )(3 ) 3 4 3 24 4 3 9 17 6 1 (20) 5 (20) 8 16 3 9 4 ( )( ) (54) 8 (42) 4 7 9 1 1 23 4 (1)2 ( )6 2 2 3 1 18 1 1 1 4 ( ) ( )3 ( )(5 ) 2 4 2 20 2 5 3 3 3 4 (20) 3 (20) 2 4 5 5 6

8、( )( ) (54) 20 (42) 6 3 5 8 1 17 9 (1)3 ( )45 9 9 5 1 27 1 1 1 4 ( ) ( )2 ( )(2 ) 3 5 2 20 2 5 1 22 8 8 (8) 4 (8) 7 21 1 7 2 ( )( ) (66) 18 (33) 2 5 7 10 1 17 4 (1)2 ( )36 9 9 4 4 6 1 1 3 2 ( ) ( )3 ( )(3 ) 3 8 2 24 4 3 3 7 2 8 (5) 3 (5) 4 8 1 9 6 ( )( ) (36) 8 (3) 6 7 9 7 1 16 9 (3)2 ( )18 6 6 3 1

9、14 2 1 1 6 ( ) ( )3 ( )(6 ) 2 7 3 60 6 5 1 19 1 1 (13) 1 (13) 9 18 7 5 6 ( )( ) (90) 6 (45) 6 3 5 2 2 16 2 (1)3 ( )15 3 3 5 1 21 1 1 1 6 ( ) ( )2 ( )(5 ) 3 9 2 20 2 5 5 11 2 5 (3) 5 (3) 4 12 3 5 4 ( )( ) (18) 10 (18) 4 3 5 3 3 15 2 (2)2 ( )12 4 4 3 4 21 1 1 5 4 ( ) ( )3 ( )(2 ) 3 32 3 60 6 5 5 7 4 8

10、 (16) 2 (16) 4 8 1 5 6 ( )( ) (108) 12 (12) 6 3 5 1 1 43 7 (3)3 ( )10 2 2 5 1 16 1 1 1 4 ( ) ( )2 ( )(2 ) 2 6 2 12 2 3 1 19 8 3 (16) 6 (16) 9 18 1 5 6 ( )( ) (66) 16 (51) 6 3 5 1 1 77 9 (1)3 ( )12 2 2 6 4 9 1 1 3 4 ( ) ( )2 ( )(3 ) 3 8 2 24 4 3 7 19 6 8 (4) 9 (4) 6 18 5 5 4 ( )( ) (96) 16 (15) 4 3 5 4 2 29 5 (2)3 ( )9 3 3 3 1 10 2 1 1 4 ( ) ( )2 ( )(3 ) 2 2 3 60 6 5 4 9 5 7 (8) 1 (8) 5 10