1、七年级数学上册有理数的计算题精选115 5 1 ()()(5) 9(2)2(2) 7 7 6 1 1 ( )( ) 2(22)4(15) 7 6 9 1 (0.4)(50) (4)453 (1)2481 8 1 1 1 ()()0 6(2)3(5 4 4 7 1 3 1 ( )( ) 3(17)4(14) 6 2 3 6 1 ( )(80) (3)353 (1)2290 7 6 (12)(6) 0(17) 12(7.5) 1 1 ()() 194(65) (2)323 5 6 211(15)(22) 3.8(6.8)(3.5)6.2 2 1 1 4 8 9 ()() 5.5()(3.3) 9
2、4 6 5 5 5 2 1 ()()(5) 20(1)3(3) 7 7 6 1 6 ( )( ) 28(11)9(12) 5 4 5 1 (0.9)(60) (3)413 (1)1066 2 1 1 1 ()()0 1(2)2(1 8 9 9 1 4 4 ( )( ) 18(20)7(19) 7 5 3 4 9 ( )(90) (3)352 (1)2630 5 8 (11)(5) 20(16) 10(6) 1 1 ()() 92(186) (5)232 9 6 3619(11)(5) 4.7(9.4)(4.3)8.6 2 1 1 3 7 4 ()() 3.3()(3.7) 5 6 2 5 5
3、5 4 5 ()()(10) 25(1)2(2) 7 7 10 1 1 ( )( ) 26(29)6(11) 9 8 9 1 (0.1)(4) (3)233 (1)2795 9 1 1 1 ()()0 9(1)3(4 5 9 2 1 1 2 ( )( ) 28(17)9(17) 5 7 3 1 1 ( )(20) (4)443 (1)1167 4 3 (9)(2) 15(17) 3.5(7) 1 1 ()() 73(157) (0)413 6 2 413(26)(20) 6.6(3.7)(0.1)5.1 2 1 1 2 2 4 ()() 6.4()(7.5) 7 9 2 7 5 5 6 6 (
4、)()(4) 23(4)2(4) 7 7 10 1 1 ( )( ) 26(10)4(10) 9 8 3 1 (0.4)(300) (1)222 (1)2007 7 1 1 1 ()()0 5(3)3(2 6 8 9 1 8 5 ( )( ) 21(30)6(19) 5 7 6 1 9 ( )(60) (2)442 (1)2437 4 8 (14)(13) 0(4) 9(18.5) 1 1 ()() 194(191) (3)354 3 6 1813(21)(29) 3(1.6)(0.2)6.5 2 1 1 4 2 9 ()() 3.7()(5.3) 7 3 9 5 5 5 2 5 ()()(1
5、0) 18(4)2(3) 7 7 1 1 1 ( )( ) 28(17)9(19) 3 2 7 1 (0.4)(600) (1)313 (1)2645 3 1 1 1 ()()0 5(4)3(1 9 9 8 1 3 7 ( )( ) 11(18)2(12) 2 2 8 1 2 ( )(60) (1)232 (1)1903 8 3 (8)(14) 16(8) 2.5(5.5) 1 1 ()() 174(192) (5)422 3 6 174(26)(4) 9.8(7.6)(3.1)9.2 2 1 1 2 6 9 ()() 1.5()(3.2) 3 7 2 5 5 5 1 4 ()()(3) 26
6、(1)2(1) 7 7 3 1 8 ( )( ) 1(29)5(10) 4 4 9 1 (0.3)(7) (5)413 (1)1434 6 1 1 1 ()()0 6(1)3(2 6 2 5 1 1 5 ( )( ) 17(30)8(19) 2 6 4 1 8 ( )(40) (5)412 (1)1817 6 7 (8)(3) 13(12) 12.5(12) 1 1 ()() 121(49) (2)254 5 9 3514(25)(17) 0.1(8.9)(2.7)1.5 2 1 1 4 3 1 ()() 6.1()(7.3) 7 6 2 7 5 5 6 3 ()()(6) 30(4)3(5)
7、 7 7 1 1 1 ( )( ) 4(24)1(20) 7 8 3 1 (0.5)(700) (1)412 (1)1473 7 1 1 1 ()()0 3(4)2(1 9 2 3 1 6 1 ( )( ) 19(14)2(12) 5 5 7 6 1 ( )(70) (2)232 (1)2317 5 6 (18)(6) 1(18) 13.5(15.5) 1 1 ()() 182(68) (1)313 6 7 26(4)(8) 6.5(0.5)(1.5)1.4 2 1 1 3 2 1 ()() 8.2()(8.4) 5 6 5 5 5 5 5 6 ()()(6) 12(3)2(4) 7 7 4
8、1 6 ( )( ) 27(28)2(16) 5 6 7 1 (0.2)(500) (5)243 (1)2889 9 1 1 1 ()()0 26(1)3(4 2 7 5 1 1 9 ( )( ) 27(25)9(16) 8 6 8 1 1 ( )(10) (3)243 (1)1374 2 2 (19)(2) 8(10) 2.5(9) 1 1 ()() 192(121) (5)312 5 9 305(15)(15) 0(4)(4.6)7.2 2 1 1 3 4 4 ()() 5.7()(6.9) 7 7 8 5 5 5 4 2 ()()(10) 23(3)3(5) 7 7 1 1 8 ( )(
9、 ) 4(11)1(13) 9 2 9 1 (0.4)(80) (3)212 (1)1486 4 1 1 1 ()()0 20(1)3(2 8 7 7 1 8 1 ( )( ) 6(27)6(14) 3 7 5 1 1 ( )(80) (1)433 (1)2222 6 4 (11)(10) 14(16) 13.5(6) 1 1 ()() 60(110) (3)213 5 4 2112(15)(5) 7.8(3.1)(4.4)5.8 2 1 1 3 7 1 ()() 4.4()(7.5) 3 3 5 5 5 5 4 3 ()()(8) 26(4)3(5) 7 7 7 1 10 ( )( ) 16
10、(17)1(11) 6 6 9 1 (0.3)(7) (1)453 (1)1342 8 1 1 1 ()()0 29(4)2(3 2 2 8 1 1 4 ( )( ) 10(23)7(16) 4 8 3 6 8 ( )(70) (1)212 (1)2687 5 7 (15)(19) 18(19) 12.5(11) 1 1 ()() 62(103) (3)334 9 7 112(11)(4) 6.5(0.5)(4.9)4.3 2 1 1 4 4 2 ()() 1.4()(1.2) 3 8 3 7 5 5 5 4 ()()(10) 13(4)2(2) 7 7 1 1 4 ( )( ) 19(19)
11、6(19) 2 4 3 1 (0.8)(2) (5)322 (1)1343 9 1 1 1 ()()0 2(3)3(2 3 2 4 1 5 1 ( )( ) 22(21)1(10) 7 6 5 1 7 ( )(70) (2)222 (1)1237 2 6 (12)(6) 2(3) 14.5(10.5) 1 1 ()() 204(16) (0)244 9 4 712(3)(17) 8.8(2.5)(4.2)1.3 2 1 1 2 8 2 ()() 1.9()(9.5) 5 6 8 5 5 5 2 5 ()()(9) 25(1)3(5) 7 7 8 1 8 ( )( ) 28(13)10(15) 9 6 7 1 (0.1)(10) (2)252 (1)1070 4 1 1 1 ()()0 15(4)2(3 4 7 8 1 1 1 ( )( ) 6(29)3(13) 6 4 2 1 1 ( )(40) (1)343 (1)1403 2 4 (13)(17) 9(13) 6.5(5) 1 1 ()() 05(61) (2)252 2 6 813(30)(26) 6.3(2.2)(0.4)0.1 2 1 1 4 8 6 ()() 3.7()(9.3) 3 3 8 7 5 5
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