七年级数学上册有理数计算题精练 24.docx

1、七年级数学上册有理数计算题精练 24 6 1 69 9 (1)2 ( )25 5 5 5 2 24 1 1 1 4 ( ) ( )2 ( )(3 ) 3 4 2 20 2 5 1 3 3 2 (1) 7 (1) 2 4 1 9 4 ( )( ) (24) 18 (24) 4 7 9 3 1 16 3 (2)3 ( )10 2 2 5 1 12 1 1 3 1 ( ) ( )2 ( )(3 ) 3 4 2 24 4 3 1 22 1 9 (16) 1 (16) 7 21 1 5 2 ( )( ) (18) 4 (33) 2 3 5 4 1 73 1 (2)2 ( )30 5 5 6 4 15 2

2、 1 1 6 ( ) ( )3 ( )(2 ) 3 16 3 40 4 5 6 14 1 6 (13) 4 (13) 5 15 1 5 2 ( )( ) (108) 4 (18) 2 3 5 6 1 79 4 (2)3 ( )30 5 5 6 3 18 2 1 1 1 ( ) ( )3 ( )(5 ) 2 6 3 12 2 3 8 15 2 4 (9) 8 (9) 7 14 5 9 4 ( )( ) (66) 6 (60) 4 7 9 8 1 16 5 (3)3 ( )18 9 9 2 1 18 1 1 1 1 ( ) ( )2 ( )(4 ) 3 6 3 36 6 3 6 1 6 8 (8)

3、 4 (8) 5 15 9 9 8 ( )( ) (6) 2 (33) 8 7 9 1 1 42 8 (3)3 ( )9 3 3 3 1 4 1 1 3 2 ( ) ( )2 ( )(2 ) 2 4 2 12 2 3 3 1 3 3 (8) 6 (8) 2 4 5 7 6 ( )( ) (48) 8 (36) 6 5 7 10 10 18 6 (3)3 ( )18 9 9 2 1 14 2 1 1 2 ( ) ( )2 ( )(3 ) 2 4 3 12 2 3 3 9 2 7 (17) 1 (17) 4 8 1 7 6 ( )( ) (30) 10 (42) 6 5 7 5 3 93 9 (3

4、)3 ( )32 4 4 8 2 27 2 1 5 2 ( ) ( )3 ( )(5 ) 3 16 3 36 6 3 7 15 7 6 (16) 4 (16) 8 16 1 9 2 ( )( ) (48) 16 (45) 2 7 9 1 1 69 1 (1)2 ( )25 5 5 5 1 18 2 1 3 4 ( ) ( )2 ( )(2 ) 2 8 3 40 4 5 6 20 7 8 (1) 1 (1) 7 21 7 5 8 ( )( ) (42) 6 (57) 8 3 5 6 1 109 1 (3)2 ( )45 5 5 9 3 6 1 1 1 4 ( ) ( )2 ( )(6 ) 2 1

5、5 2 40 4 5 1 13 8 7 (18) 8 (18) 4 12 5 7 6 ( )( ) (72) 2 (48) 6 5 7 1 9 57 4 (2)3 ( )32 8 8 4 3 12 2 1 1 2 ( ) ( )3 ( )(2 ) 2 24 3 36 6 3 5 11 7 4 (15) 3 (15) 6 12 5 9 4 ( )( ) (78) 16 (36) 4 7 9 1 1 56 3 (1)3 ( )16 4 4 4 1 24 1 1 3 4 ( ) ( )2 ( )(3 ) 3 8 3 12 2 3 3 5 4 9 (9) 3 (9) 2 6 1 5 8 ( )( )

6、(66) 20 (48) 8 3 5 1 6 65 8 (2)3 ( )49 7 7 7 1 3 1 1 1 4 ( ) ( )2 ( )(3 ) 3 2 2 36 6 3 7 25 5 9 (12) 7 (12) 8 24 1 9 6 ( )( ) (72) 6 (15) 6 7 9 1 6 27 5 (3)2 ( )21 7 7 3 1 8 1 1 1 2 ( ) ( )2 ( )(4 ) 2 3 2 12 2 3 1 25 9 5 (14) 3 (14) 8 24 7 5 6 ( )( ) (120) 16 (21) 6 3 5 8 1 17 1 (2)3 ( )49 7 7 7 2 1

7、2 1 1 1 4 ( ) ( )3 ( )(2 ) 3 14 2 40 4 5 2 8 4 4 (10) 5 (10) 3 9 3 7 4 ( )( ) (42) 20 (30) 4 5 7 1 9 87 8 (1)3 ( )72 8 8 9 4 9 1 1 7 1 ( ) ( )2 ( )(3 ) 3 12 2 60 6 5 1 5 8 7 (17) 4 (17) 2 4 1 5 2 ( )( ) (30) 20 (48) 2 3 5 1 1 15 3 (2)3 ( )24 6 6 4 3 12 1 1 1 4 ( ) ( )3 ( )(6 ) 2 18 2 20 2 5 1 19 5 7

8、 (20) 4 (20) 6 18 1 7 8 ( )( ) (48) 8 (6) 8 5 7 1 10 28 2 (2)3 ( )27 9 9 3 3 14 1 1 5 1 ( ) ( )2 ( )(5 ) 2 12 2 60 6 5 1 1 6 5 (4) 2 (4) 8 16 1 5 4 ( )( ) (18) 20 (39) 4 3 5 4 1 65 9 (1)3 ( )15 3 3 5 3 6 1 1 1 1 ( ) ( )2 ( )(4 ) 2 18 3 24 4 3 5 13 5 7 (14) 3 (14) 6 12 1 5 6 ( )( ) (72) 6 (54) 6 3 5

9、8 8 63 6 (1)3 ( )63 9 9 7 1 10 1 1 5 1 ( ) ( )3 ( )(3 ) 2 6 2 40 4 5 1 13 1 8 (19) 2 (19) 4 12 5 9 6 ( )( ) (60) 18 (21) 6 7 9 1 8 19 6 (2)3 ( )42 7 7 6 1 4 2 1 1 2 ( ) ( )3 ( )(3 ) 2 5 3 36 6 3 1 1 1 1 (20) 7 (20) 4 12 1 9 2 ( )( ) (114) 20 (3) 2 7 9 10 1 17 1 (2)2 ( )18 9 9 2 3 10 1 1 1 4 ( ) ( )3

10、 ( )(3 ) 2 6 2 20 2 5 1 10 7 2 (12) 9 (12) 3 9 5 9 6 ( )( ) (48) 14 (21) 6 7 9 7 1 68 6 (1)2 ( )40 8 8 5 1 6 1 1 3 6 ( ) ( )2 ( )(2 ) 2 9 3 20 2 5 4 10 7 7 (10) 4 (10) 3 9 5 5 4 ( )( ) (6) 8 (15) 4 3 5 1 1 28 3 (1)2 ( )21 7 7 3 3 8 1 1 5 4 ( ) ( )3 ( )(5 ) 2 21 2 36 6 3 4 9 5 1 (19) 5 (19) 5 10 1 9 6 ( )( ) (48) 20 (54) 6 7 9 7 1 84 9 (2)2 ( )54 6 6 9 1 2 1 1 7 4 ( ) ( )2 ( )(3 ) 2 7 3 60 6 5