1、七年级数学上册有理数计算题精练 146 1 22 5 9 (10) 1 (10) 7 21 7 5 6 ( )( ) (72) 2 (48) 6 3 5 1 1 34 5 (2)3 ( )20 5 5 4 3 6 1 1 1 1 ( ) ( )3 ( )(2 ) 2 12 3 24 4 3 7 25 5 6 (5) 1 (5) 8 24 3 7 2 ( )( ) (84) 20 (48) 2 5 7 1 1 17 3 (1)3 ( )56 8 8 7 1 6 1 1 7 1 ( ) ( )2 ( )(3 ) 2 4 2 60 6 5 7 1 7 2 (5) 8 (5) 6 12 7 7 8 (
2、 )( ) (54) 18 (3) 8 5 7 2 2 75 7 (3)3 ( )24 3 3 8 1 18 1 1 1 1 ( ) ( )3 ( )(5 ) 2 6 3 20 2 5 6 22 7 5 (3) 4 (3) 7 21 1 7 8 ( )( ) (84) 12 (45) 8 5 7 7 1 17 1 (2)3 ( )32 8 8 4 3 14 2 1 1 1 ( ) ( )2 ( )(4 ) 2 6 3 60 6 5 4 14 1 6 (3) 9 (3) 5 15 5 5 6 ( )( ) (72) 20 (12) 6 3 5 3 5 19 7 (1)2 ( )12 4 4 3
3、3 14 1 1 5 1 ( ) ( )2 ( )(2 ) 2 12 2 60 6 5 7 13 9 1 (5) 8 (5) 6 12 1 7 6 ( )( ) (30) 10 (60) 6 5 7 1 3 52 4 (2)3 ( )16 4 4 4 4 21 2 1 1 2 ( ) ( )2 ( )(3 ) 3 16 3 24 4 3 7 1 5 8 (17) 5 (17) 8 24 7 7 6 ( )( ) (54) 16 (48) 6 5 7 1 3 36 6 (3)3 ( )8 2 2 4 1 14 1 1 1 1 ( ) ( )3 ( )(2 ) 2 9 3 12 2 3 1 5 7
4、 5 (11) 5 (11) 2 6 1 5 8 ( )( ) (54) 4 (39) 8 3 5 1 1 58 9 (2)2 ( )8 2 2 4 2 24 2 1 7 4 ( ) ( )2 ( )(5 ) 3 14 3 60 6 5 3 1 1 2 (5) 7 (5) 4 12 3 5 2 ( )( ) (102) 6 (57) 2 3 5 3 1 14 4 (2)2 ( )12 4 4 3 4 9 1 1 1 2 ( ) ( )3 ( )(2 ) 3 32 2 24 4 3 1 1 4 8 (5) 2 (5) 5 15 5 5 4 ( )( ) (108) 14 (3) 4 3 5 1
5、1 66 4 (1)2 ( )45 9 9 5 1 27 2 1 1 4 ( ) ( )2 ( )(4 ) 3 8 3 20 2 5 10 1 9 1 (6) 3 (6) 9 27 1 9 4 ( )( ) (54) 8 (45) 4 7 9 9 7 107 4 (2)2 ( )72 8 8 9 1 18 1 1 1 2 ( ) ( )3 ( )(2 ) 2 4 2 12 2 3 10 19 6 5 (1) 6 (1) 9 18 9 7 8 ( )( ) (12) 8 (9) 8 5 7 3 1 15 8 (3)2 ( )18 2 2 9 1 21 1 1 5 4 ( ) ( )3 ( )(2
6、 ) 3 5 3 36 6 3 1 7 7 8 (3) 1 (3) 4 8 7 5 6 ( )( ) (66) 12 (36) 6 3 5 9 9 19 4 (1)2 ( )56 8 8 7 1 2 1 1 1 4 ( ) ( )2 ( )(4 ) 2 9 2 12 2 3 1 1 5 2 (3) 7 (3) 9 27 1 9 8 ( )( ) (48) 10 (30) 8 7 9 1 1 16 5 (2)3 ( )12 6 6 2 4 27 1 1 3 4 ( ) ( )2 ( )(2 ) 3 32 2 20 2 5 6 9 2 6 (5) 5 (5) 5 10 1 5 8 ( )( ) (
7、30) 6 (6) 8 3 5 1 1 17 2 (1)2 ( )48 6 6 8 1 21 1 1 1 2 ( ) ( )3 ( )(4 ) 3 9 2 24 4 3 9 1 6 9 (17) 2 (17) 8 24 3 7 4 ( )( ) (36) 6 (60) 4 5 7 1 4 33 6 (2)3 ( )6 3 3 2 4 24 2 1 1 1 ( ) ( )3 ( )(5 ) 3 8 3 20 2 5 5 7 1 1 (13) 3 (13) 4 8 1 9 2 ( )( ) (6) 6 (39) 2 7 9 1 1 19 1 (3)3 ( )35 5 5 7 1 6 1 1 5 4
8、 ( ) ( )2 ( )(4 ) 2 2 3 40 4 5 1 1 5 8 (5) 3 (5) 6 12 3 5 2 ( )( ) (36) 16 (33) 2 3 5 1 1 45 4 (2)3 ( )30 6 6 5 4 15 1 1 1 6 ( ) ( )3 ( )(3 ) 3 24 3 20 2 5 1 1 7 3 (6) 6 (6) 8 16 5 5 4 ( )( ) (18) 18 (36) 4 3 5 1 1 62 4 (3)2 ( )49 7 7 7 1 12 1 1 3 6 ( ) ( )3 ( )(2 ) 2 9 2 20 2 5 2 10 1 2 (12) 5 (12)
9、 3 9 1 7 4 ( )( ) (120) 6 (33) 4 5 7 6 1 15 3 (1)3 ( )45 5 5 9 1 14 1 1 7 1 ( ) ( )2 ( )(3 ) 2 6 3 36 6 3 1 5 4 7 (4) 8 (4) 2 4 1 9 6 ( )( ) (54) 2 (51) 6 7 9 1 1 18 8 (1)3 ( )12 2 2 6 1 15 2 1 7 2 ( ) ( )2 ( )(6 ) 3 6 3 36 6 3 6 9 8 4 (11) 4 (11) 5 10 1 7 2 ( )( ) (114) 18 (27) 2 5 7 1 1 78 9 (1)3
10、( )54 9 9 6 1 2 1 1 5 4 ( ) ( )2 ( )(3 ) 2 7 3 36 6 3 1 8 7 2 (1) 3 (1) 3 9 5 9 6 ( )( ) (30) 18 (24) 6 7 9 1 4 83 5 (1)3 ( )27 3 3 9 4 27 1 1 1 2 ( ) ( )3 ( )(4 ) 3 8 2 12 2 3 1 7 5 7 (18) 9 (18) 2 6 1 7 4 ( )( ) (120) 20 (21) 4 5 7 10 10 12 7 (1)2 ( )45 9 9 5 3 14 1 1 3 4 ( ) ( )2 ( )(4 ) 2 12 2 24 4 3 2 8 4 4 (6) 4 (6) 3 9 5 9 4 ( )( ) (18) 10 (12) 4 7 9 1 7
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