北师大版七年级数学上册有理数计算题精选 104.docx

1、北师大版七年级数学上册有理数计算题精选 104 1 20 1 2 (14) 9 (14) 7 21 1 7 2 ( )( ) (120) 10 (6) 2 5 7 4 4 19 9 (2)3 ( )35 5 5 7 3 8 2 1 3 2 ( ) ( )3 ( )(4 ) 2 12 3 24 4 3 6 11 1 6 (14) 4 (14) 5 10 1 9 8 ( )( ) (72) 6 (51) 8 7 9 4 6 14 8 (2)3 ( )20 5 5 4 2 18 1 1 1 6 ( ) ( )3 ( )(4 ) 3 4 3 20 2 5 1 8 8 6 (8) 5 (8) 3 9 5

2、 7 4 ( )( ) (108) 18 (57) 4 5 7 4 4 17 7 (2)3 ( )15 5 5 3 2 18 1 1 5 1 ( ) ( )2 ( )(4 ) 3 12 2 60 6 5 1 1 2 8 (15) 8 (15) 2 6 1 7 8 ( )( ) (96) 14 (48) 8 5 7 7 1 13 5 (1)2 ( )24 8 8 3 1 16 1 1 1 4 ( ) ( )2 ( )(4 ) 2 4 2 20 2 5 9 17 4 9 (8) 3 (8) 8 16 7 9 8 ( )( ) (72) 20 (57) 8 7 9 9 1 49 6 (2)3 ( )

3、24 8 8 3 2 24 1 1 1 1 ( ) ( )2 ( )(3 ) 3 18 2 12 2 3 1 1 3 3 (4) 2 (4) 2 4 7 7 6 ( )( ) (6) 18 (36) 6 5 7 1 1 19 3 (2)3 ( )81 9 9 9 4 18 1 1 1 1 ( ) ( )3 ( )(3 ) 3 32 3 20 2 5 6 1 4 3 (7) 5 (7) 5 15 1 7 4 ( )( ) (6) 14 (36) 4 5 7 1 7 74 9 (2)2 ( )36 6 6 6 4 18 1 1 1 6 ( ) ( )2 ( )(5 ) 3 36 3 20 2 5

4、6 16 8 2 (14) 9 (14) 5 15 9 7 8 ( )( ) (114) 20 (27) 8 5 7 1 1 85 2 (1)3 ( )21 3 3 7 1 4 2 1 1 2 ( ) ( )2 ( )(4 ) 2 2 3 36 6 3 1 11 5 7 (1) 3 (1) 6 12 7 7 8 ( )( ) (42) 16 (27) 8 5 7 7 1 22 8 (2)3 ( )18 6 6 3 4 6 1 1 1 1 ( ) ( )3 ( )(2 ) 3 24 2 20 2 5 9 15 4 2 (12) 3 (12) 8 16 7 5 8 ( )( ) (78) 14 (

5、24) 8 3 5 1 10 36 8 (3)3 ( )18 9 9 2 1 16 1 1 5 6 ( ) ( )2 ( )(5 ) 2 3 3 40 4 5 1 1 9 9 (18) 9 (18) 8 16 7 7 6 ( )( ) (24) 12 (42) 6 5 7 8 1 63 8 (3)3 ( )63 9 9 7 1 15 2 1 1 1 ( ) ( )2 ( )(5 ) 3 6 3 40 4 5 3 1 6 1 (17) 9 (17) 4 8 1 9 2 ( )( ) (42) 8 (15) 2 7 9 8 8 15 4 (3)3 ( )27 9 9 3 1 8 2 1 1 4 (

6、 ) ( )3 ( )(5 ) 2 5 3 24 4 3 7 1 4 7 (5) 6 (5) 6 18 5 5 4 ( )( ) (96) 2 (30) 4 3 5 8 8 35 5 (1)2 ( )14 7 7 2 1 18 1 1 1 4 ( ) ( )2 ( )(3 ) 2 6 3 20 2 5 4 5 1 7 (18) 4 (18) 3 6 3 9 2 ( )( ) (42) 18 (42) 2 7 9 6 1 68 2 (1)3 ( )35 5 5 7 1 15 1 1 5 6 ( ) ( )2 ( )(4 ) 3 4 2 40 4 5 1 11 9 1 (15) 9 (15) 5

7、10 7 7 8 ( )( ) (30) 6 (57) 8 5 7 1 9 97 5 (3)3 ( )64 8 8 8 2 3 2 1 1 4 ( ) ( )2 ( )(5 ) 3 16 3 20 2 5 6 11 4 9 (2) 8 (2) 5 10 1 7 2 ( )( ) (30) 12 (6) 2 5 7 8 8 68 1 (3)3 ( )35 7 7 5 1 6 1 1 5 1 ( ) ( )3 ( )(3 ) 3 8 3 36 6 3 1 1 8 2 (11) 9 (11) 6 18 7 9 8 ( )( ) (108) 4 (45) 8 7 9 1 8 16 7 (2)2 ( )

8、81 9 9 9 1 14 1 1 1 4 ( ) ( )2 ( )(6 ) 2 7 2 24 4 3 1 17 8 8 (17) 8 (17) 8 16 7 5 6 ( )( ) (12) 16 (12) 6 3 5 1 1 15 8 (3)3 ( )30 6 6 5 1 12 2 1 7 2 ( ) ( )3 ( )(5 ) 3 8 3 36 6 3 5 11 1 3 (18) 7 (18) 6 12 5 7 4 ( )( ) (12) 12 (27) 4 5 7 4 2 18 1 (1)2 ( )27 3 3 9 1 4 2 1 1 2 ( ) ( )3 ( )(4 ) 2 4 3 12

9、 2 3 1 1 6 5 (11) 6 (11) 9 27 5 7 4 ( )( ) (102) 20 (24) 4 5 7 5 7 18 9 (3)2 ( )42 6 6 7 4 6 2 1 7 6 ( ) ( )3 ( )(4 ) 3 32 3 60 6 5 6 22 6 5 (15) 9 (15) 7 21 1 7 2 ( )( ) (78) 12 (57) 2 5 7 9 1 13 3 (2)3 ( )32 8 8 4 1 6 1 1 3 2 ( ) ( )3 ( )(3 ) 2 6 2 12 2 3 3 7 2 3 (17) 9 (17) 2 6 1 5 2 ( )( ) (108)

10、 14 (57) 2 3 5 1 1 59 4 (3)2 ( )12 3 3 4 2 21 1 1 7 1 ( ) ( )2 ( )(3 ) 3 18 2 36 6 3 1 26 3 3 (9) 1 (9) 9 27 7 7 6 ( )( ) (42) 8 (33) 6 5 7 4 2 74 4 (3)2 ( )18 3 3 6 2 6 1 1 3 1 ( ) ( )2 ( )(5 ) 3 12 3 20 2 5 9 25 3 5 (12) 6 (12) 8 24 1 5 2 ( )( ) (48) 2 (42) 2 3 5 1 10 102 5 (1)3 ( )81 9 9 9 2 27 2 1 1 2 ( ) ( )2 ( )(6 ) 3 14 3 12 2 3 1 11 4 1 (5) 5 (5) 6 12 9 7 8 ( )( ) (96) 20 (21) 8 5 7