1、七年级数学上册有理数的计算题精选13 1 4 ()()(5) 30(1)3(3) 7 7 6 1 6 ( )( ) 1(30)9(10) 7 4 7 1 (0.2)(4) (1)353 (1)2253 3 1 1 1 ()()0 10(3)2(3) 9 7 3 1 5 3 ( )( ) 14(17)1(20) 4 6 4 1 1 ( )(40) (1)253 (1)2890 6 2 (12)(10) 1(3) 9.5(1) 1 1 ()() 03(136) (5)254 3 6 917(4)(27) 7.6(1.1)(0.6)1.6 2 1 1 1 7 1 ()() 6.4()(1.8) 9
2、8 8 5 5 5 1 4 ()()(5) 8(1)2(5) 7 7 1 1 1 ( )( ) 2(16)2(11) 9 8 9 1 (0.7)(100) (1)413 (1)2824 4 1 1 1 ()()0 7(2)3(3) 2 3 9 1 9 1 ( )( ) 30(10)1(19) 7 8 6 1 6 ( )(90) (3)342 (1)2906 3 7 (1)(14) 17(1) 1(4) 1 1 ()() 135(115) (3)444 6 2 39(8)(13) 6.7(4)(3.9)5.6 2 1 1 3 7 3 ()() 5.5()(3.1) 7 9 4 5 5 5 3 4
3、 ()()(3) 30(2)3(2) 7 7 2 1 1 ( )( ) 29(20)7(19) 3 4 9 1 (0.9)(1) (4)433 (1)2381 3 1 1 1 ()()0 27(4)2(4) 2 9 3 1 5 1 ( )( ) 21(15)2(19) 5 6 4 1 8 ( )(10) (5)422 (1)2691 5 7 (6)(3) 17(8) 5(14.5) 1 1 ()() 65(91) (0)354 8 3 1420(12)(25) 1.8(4.2)(4.7)2.7 2 1 1 4 6 6 ()() 3.1()(6.2) 7 9 8 5 5 5 4 5 ()()(2
4、) 28(2)3(3) 7 7 2 1 8 ( )( ) 5(15)10(12) 3 2 7 1 (0.8)(70) (3)343 (1)1884 6 1 1 1 ()()0 9(4)2(1) 3 4 3 1 1 2 ( )( ) 1(14)1(14) 3 4 3 4 1 ( )(70) (1)253 (1)2474 3 5 (14)(17) 5(6) 4(5) 1 1 ()() 01(55) (5)452 3 5 221(13)(29) 3.8(3)(2.5)1.8 2 1 1 2 4 7 ()() 1.2()(5.9) 5 4 2 7 5 5 2 5 ()()(10) 12(4)2(5)
5、7 7 8 1 6 ( )( ) 28(16)5(10) 7 6 5 1 (0.1)(100) (5)422 (1)1516 9 1 1 1 ()()0 6(4)3(2) 3 5 9 1 1 1 ( )( ) 11(18)8(19) 7 8 2 4 1 ( )(70) (5)443 (1)2450 5 6 (18)(9) 18(8) 7(13.5) 1 1 ()() 192(11) (4)443 7 9 277(24)(10) 1.3(5.1)(0.1)7.2 2 1 1 1 4 8 ()() 9.5()(4.1) 5 5 5 5 5 5 6 2 ()()(1) 20(2)3(3) 7 7 3
6、 1 1 ( )( ) 20(25)8(18) 4 6 9 1 (0.6)(1) (2)232 (1)1618 8 1 1 1 ()()0 26(3)2(5) 2 4 7 1 3 1 ( )( ) 16(13)9(17) 7 2 8 3 1 ( )(90) (2)313 (1)2764 4 6 (7)(19) 13(20) 10(0.5) 1 1 ()() 03(15) (3)244 2 3 07(26)(11) 4.1(6)(2.8)6.7 2 1 1 1 1 6 ()() 6.8()(6.3) 3 8 7 5 5 5 4 3 ()()(10) 2(1)3(3) 7 7 10 1 1 ( )
7、( ) 21(10)8(12) 9 8 5 1 (0.6)(8) (4)242 (1)1004 6 1 1 1 ()()0 19(4)3(2) 8 9 8 1 9 5 ( )( ) 23(29)5(20) 4 8 6 1 5 ( )(30) (4)432 (1)2026 7 6 (2)(8) 5(18) 14.5(14.5) 1 1 ()() 13(91) (2)224 8 5 3019(25)(28) 6.7(8.9)(0.6)3.5 2 1 1 2 8 9 ()() 4.7()(3.6) 3 2 3 5 5 5 1 1 ()()(5) 8(4)3(3) 7 7 1 1 1 ( )( ) 1
8、1(13)9(10) 4 2 9 1 (0.7)(30) (4)433 (1)1826 4 1 1 1 ()()0 27(1)2(2) 4 2 7 1 3 6 ( )( ) 1(10)7(15) 2 4 7 1 8 ( )(10) (2)453 (1)2654 3 7 (14)(17) 17(20) 10(2.5) 1 1 ()() 142(134) (4)222 5 8 2319(3)(8) 3.6(8.1)(3.9)2.8 2 1 1 3 2 8 ()() 9.4()(5.9) 7 8 8 5 5 5 3 3 ()()(6) 14(1)2(4) 7 7 1 1 1 ( )( ) 7(22)
9、5(19) 3 4 7 1 (0.3)(700) (1)243 (1)2527 2 1 1 1 ()()0 22(2)2(3) 9 5 6 1 4 4 ( )( ) 12(19)3(13) 7 5 3 4 3 ( )(30) (2)313 (1)1006 3 4 (6)(8) 12(15) 10.5(2) 1 1 ()() 163(78) (5)414 6 4 4014(12)(3) 7.9(8.3)(4.6)5.1 2 1 1 2 4 4 ()() 7.1()(7.3) 3 2 8 7 5 5 1 1 ()()(10) 16(1)2(1) 7 7 10 1 1 ( )( ) 13(26)5(15) 9 8 7 1 (0.9)(400) (2)342 (1)1685 8 1 1 1 ()()0 21(3)3(3) 9 7 5 1 7 7 ( )( ) 25(30)1(13) 5 8 6 1 2 ( )(10) (3)323 (1)2042 6 3 (13)(5) 20(3) 12(15) 1 1 ()() 11(112) (3)323 8 6 67(1)(9) 7.5(9.2)(0.4)4.1 2 1 1 4 7 6 ()() 9.9()(5.4) 5 5 6 7 5 5