1、七年级数学上册有理数的计算题精选42 3 5 ()()(10) 22(3)2(5) 7 7 7 1 1 ( )( ) 3(19)10(17) 6 2 3 1 (0.2)(40) (5)453 (1)1661 4 1 1 1 ()()0 1(4)2(1) 4 4 6 1 9 1 ( )( ) 18(19)7(13) 8 8 7 7 3 ( )(80) (1)253 (1)2022 8 2 (17)(12) 11(7) 14.5(8.5) 1 1 ()() 13(159) (0)244 2 5 2919(28)(14) 6.8(4.7)(2)8.1 2 1 1 4 9 6 ()() 7.8()(1
2、.2) 5 8 9 7 5 5 6 6 ()()(6) 16(1)2(4) 7 7 1 1 1 ( )( ) 27(25)10(13) 7 2 9 1 (0.5)(700) (3)323 (1)2110 8 1 1 1 ()()0 22(1)2(2) 2 4 4 1 5 1 ( )( ) 10(26)10(12) 5 6 3 1 8 ( )(10) (4)323 (1)2523 3 7 (3)(18) 20(20) 5(0.5) 1 1 ()() 32(111) (5)452 2 4 3818(25)(17) 6.5(0.1)(1.8)7.5 2 1 1 1 2 9 ()() 4.9()(9.
3、8) 3 8 4 7 5 5 2 5 ()()(10) 2(3)2(2) 7 7 1 1 8 ( )( ) 16(14)7(17) 8 8 9 1 (0.6)(4) (4)213 (1)2211 3 1 1 1 ()()0 11(1)2(3) 4 8 7 1 8 6 ( )( ) 8(12)5(14) 7 7 5 3 5 ( )(70) (2)453 (1)1081 4 6 (13)(3) 4(17) 2(11.5) 1 1 ()() 21(142) (1)353 3 2 225(4)(21) 4.8(6.4)(2.3)9.7 2 1 1 4 1 6 ()() 2.1()(1.2) 3 7 4
4、 7 5 5 4 3 ()()(4) 12(1)2(4) 7 7 1 1 1 ( )( ) 10(25)5(17) 4 4 9 1 (0.1)(900) (2)233 (1)1156 8 1 1 1 ()()0 1(1)3(1) 2 5 5 1 5 5 ( )( ) 23(10)6(16) 2 4 6 1 7 ( )(50) (3)433 (1)2110 6 6 (8)(13) 7(2) 3.5(7) 1 1 ()() 81(179) (1)253 9 7 14(13)(27) 5.4(9.6)(0.1)8.5 2 1 1 3 2 1 ()() 5.7()(4.8) 9 6 8 7 5 5 2
5、 5 ()()(6) 12(3)3(3) 7 7 1 1 10 ( )( ) 21(24)3(11) 2 6 9 1 (0.2)(80) (4)223 (1)1942 8 1 1 1 ()()0 11(2)3(3) 6 4 6 1 4 2 ( )( ) 9(28)8(15) 3 5 3 4 1 ( )(30) (1)333 (1)2585 5 4 (1)(8) 10(5) 12(2.5) 1 1 ()() 113(93) (3)443 4 2 1120(28)(1) 0.8(7)(1.9)7.5 2 1 1 3 8 6 ()() 1.1()(8.2) 9 2 8 5 5 5 4 5 ()()(
6、7) 7(2)3(3) 7 7 4 1 6 ( )( ) 18(13)8(15) 3 2 7 1 (0.4)(200) (4)352 (1)1545 5 1 1 1 ()()0 23(4)3(5) 2 4 2 1 5 1 ( )( ) 16(21)4(18) 5 6 5 2 1 ( )(70) (3)413 (1)2301 3 2 (15)(6) 14(4) 15(9.5) 1 1 ()() 164(158) (1)352 6 3 3013(7)(6) 6.8(0.9)(4.5)1.6 2 1 1 2 7 7 ()() 2.2()(6.4) 7 4 3 5 5 5 5 5 ()()(9) 11
7、(1)3(4) 7 7 1 1 4 ( )( ) 3(16)3(18) 2 4 3 1 (0.8)(90) (4)423 (1)2305 6 1 1 1 ()()0 6(4)2(3) 4 7 5 1 8 5 ( )( ) 14(13)4(16) 5 7 4 4 4 ( )(80) (4)253 (1)1650 5 5 (8)(5) 14(5) 8(11.5) 1 1 ()() 202(57) (5)233 9 5 46(14)(5) 3.1(2.8)(2.5)4.3 2 1 1 1 2 1 ()() 8.7()(9.5) 5 2 9 5 5 5 6 4 ()()(6) 13(3)2(1) 7
8、7 7 1 1 ( )( ) 30(26)5(18) 6 8 5 1 (0.9)(90) (3)333 (1)2577 4 1 1 1 ()()0 24(1)3(5) 4 2 8 1 1 5 ( )( ) 21(14)3(19) 2 6 6 1 1 ( )(10) (5)432 (1)2690 2 8 (3)(4) 7(12) 11(2.5) 1 1 ()() 203(144) (2)444 7 2 2519(4)(1) 8.3(8.4)(2.7)6.7 2 1 1 2 1 9 ()() 6.6()(1.7) 7 8 2 5 5 5 2 4 ()()(5) 6(2)3(2) 7 7 1 1 1
9、0 ( )( ) 21(24)5(10) 3 6 9 1 (0.8)(600) (3)243 (1)1322 9 1 1 1 ()()0 28(1)2(4) 3 4 8 1 4 7 ( )( ) 11(21)3(15) 6 5 8 4 2 ( )(70) (4)222 (1)2048 5 3 (14)(11) 10(3) 8.5(14.5) 1 1 ()() 111(94) (0)234 4 9 613(12)(4) 3.4(10)(4.9)4.8 2 1 1 2 4 8 ()() 3.4()(1.9) 7 3 7 5 5 5 2 5 ()()(7) 19(1)3(2) 7 7 1 1 4 ( )( ) 3(22)10(17) 6 8 3 1 (0.4)(7) (3)243 (1)1098 2 1 1 1 ()()0 6(4)2(3) 7 7 5 1 1 6 ( )( ) 8(15)7(19) 5 3 7 1 1 ( )(60) (1)333 (1)2034 5 2 (7)(1) 4(16) 8.5(20) 1 1 ()() 204(62) (1)314 4 4 184(1)(17) 1.1(1.8)(2.8)10 2 1 1 3 2 9 ()() 5.8()(3.5) 3 7 7 7 5 5
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