1、七年级数学上册有理数的计算题精选74 2 4 ()()(2) 28(1)3(1) 7 7 1 1 6 ( )( ) 10(26)10(13) 4 2 7 1 (0.4)(100) (1)232 (1)2965 8 1 1 1 ()()0 25(2)3(2 5 7 9 1 6 4 ( )( ) 1(12)1(19) 6 7 3 7 1 ( )(60) (1)212 (1)2696 6 5 (1)(9) 7(3) 15(12) 1 1 ()() 101(1610) (2)352 8 2 65(24)(20) 9(1.6)(4.5)9.1 2 1 1 3 3 3 ()() 8.6()(7.2) 7
2、3 2 5 5 5 1 2 ()()(9) 15(2)3(1) 7 7 1 1 1 ( )( ) 6(15)2(14) 9 4 5 1 (0.2)(5) (5)313 (1)1760 3 1 1 1 ()()0 3(3)2(5 8 2 2 1 4 6 ( )( ) 20(30)10(20) 4 3 5 1 6 ( )(50) (4)333 (1)2981 8 5 (2)(12) 12(20) 10(17) 1 1 ()() 34(206) (2)214 2 6 2710(24)(11) 7.9(2.4)(3.7)4.8 2 1 1 3 8 8 ()() 4.3()(1.2) 5 3 5 7 5
3、 5 2 4 ()()(5) 1(2)3(4) 7 7 5 1 1 ( )( ) 5(20)10(14) 4 2 7 1 (0.9)(600) (3)353 (1)1828 3 1 1 1 ()()0 12(1)2(5 5 5 7 1 3 1 ( )( ) 24(21)5(10) 7 2 2 1 5 ( )(20) (5)422 (1)2817 5 4 (1)(18) 19(11) 9(7) 1 1 ()() 163(57) (2)223 7 8 1616(1)(30) 4.3(4.6)(4.5)8.9 2 1 1 1 4 6 ()() 3.4()(6.6) 3 4 4 7 5 5 1 6 (
4、)()(10) 28(2)2(4) 7 7 1 1 1 ( )( ) 6(26)3(11) 3 8 3 1 (0.6)(200) (1)223 (1)1378 2 1 1 1 ()()0 3(4)2(3 4 6 6 1 3 8 ( )( ) 8(13)7(16) 3 2 7 6 7 ( )(10) (3)253 (1)2604 7 8 (16)(11) 3(5) 15(6) 1 1 ()() 94(195) (0)423 7 3 1019(14)(25) 5.8(9.9)(3.3)3.8 2 1 1 1 9 6 ()() 5.2()(7.1) 9 9 4 5 5 5 5 6 ()()(3) 1
5、6(4)2(1) 7 7 5 1 1 ( )( ) 7(16)7(12) 6 8 9 1 (0.2)(900) (1)242 (1)2929 9 1 1 1 ()()0 12(4)2(4 6 6 9 1 1 1 ( )( ) 16(29)1(20) 7 7 3 1 1 ( )(60) (3)412 (1)1740 3 6 (4)(1) 9(6) 9(22.5) 1 1 ()() 165(111) (1)314 7 7 292(27)(30) 5.2(1.1)(2.4)7.1 2 1 1 2 8 6 ()() 5.4()(1.1) 7 7 8 7 5 5 2 6 ()()(7) 13(1)3(4
6、) 7 7 1 1 1 ( )( ) 19(21)5(20) 4 6 3 1 (0.9)(70) (4)343 (1)2902 9 1 1 1 ()()0 30(1)2(4 7 4 4 1 1 1 ( )( ) 17(12)4(17) 2 7 6 4 1 ( )(10) (2)433 (1)1041 5 4 (5)(9) 16(13) 1(8.5) 1 1 ()() 172(58) (5)342 8 5 2713(11)(30) 4.9(1)(4.7)9.8 2 1 1 2 1 7 ()() 9.1()(1.5) 9 4 5 7 5 5 1 4 ()()(2) 3(4)3(1) 7 7 1 1
7、 6 ( )( ) 29(11)5(16) 7 2 7 1 (0.3)(1) (4)213 (1)1922 4 1 1 1 ()()0 21(2)2(2 2 4 2 1 1 1 ( )( ) 26(16)8(18) 6 2 4 1 8 ( )(30) (1)252 (1)2550 4 7 (18)(4) 15(6) 6(5) 1 1 ()() 33(206) (2)443 5 2 1513(7)(28) 3.4(3.3)(0.6)6.9 2 1 1 3 1 9 ()() 5.9()(1.2) 9 7 4 5 5 5 6 2 ()()(7) 17(2)2(1) 7 7 7 1 1 ( )( )
8、26(29)4(17) 6 4 7 1 (0.5)(10) (1)442 (1)1001 7 1 1 1 ()()0 21(2)2(2 5 9 9 1 6 1 ( )( ) 12(16)9(12) 6 7 8 5 7 ( )(20) (3)233 (1)1656 4 8 (11)(7) 5(11) 0.5(7.5) 1 1 ()() 155(29) (1)422 7 9 402(27)(23) 6.8(7.6)(3.5)2.1 2 1 1 2 1 1 ()() 4.9()(2.3) 7 8 2 5 5 5 5 3 ()()(7) 8(4)2(2) 7 7 6 1 1 ( )( ) 7(10)4
9、(13) 5 6 7 1 (0.9)(80) (3)442 (1)1196 7 1 1 1 ()()0 1(3)2(3 4 6 6 1 1 1 ( )( ) 8(13)1(16) 2 4 5 1 7 ( )(80) (3)242 (1)1921 3 6 (8)(3) 14(12) 14(24.5) 1 1 ()() 85(121) (4)444 5 2 2519(7)(2) 5.3(5.3)(3)9.8 2 1 1 2 8 6 ()() 5.8()(9.4) 5 2 2 5 5 5 3 6 ()()(8) 20(4)2(3) 7 7 9 1 1 ( )( ) 16(25)6(12) 8 4 7
10、 1 (0.3)(20) (2)412 (1)1175 6 1 1 1 ()()0 1(1)2(2 8 6 3 1 1 1 ( )( ) 15(20)2(18) 2 3 3 5 1 ( )(50) (4)433 (1)1465 6 2 (20)(2) 13(12) 10.5(6) 1 1 ()() 52(96) (3)212 3 8 29(15)(11) 7.9(1.2)(1.9)5 2 1 1 3 8 8 ()() 3.6()(2.9) 9 2 2 5 5 5 4 5 ()()(7) 4(2)3(2) 7 7 1 1 1 ( )( ) 8(15)1(10) 4 8 9 1 (0.7)(9)
11、(3)223 (1)2065 8 1 1 1 ()()0 14(2)3(2 3 3 6 1 9 1 ( )( ) 22(22)7(20) 6 8 2 1 1 ( )(30) (5)233 (1)1140 5 2 (19)(12) 0(18) 15(2.5) 1 1 ()() 54(82) (5)253 7 4 4010(13)(2) 8.1(6.2)(4.7)1.1 2 1 1 1 7 4 ()() 8.1()(8.2) 5 9 6 5 5 5 6 6 ()()(9) 28(3)2(5) 7 7 7 1 1 ( )( ) 25(27)7(12) 6 4 3 1 (0.8)(90) (4)322 (1)1323 6 1 1 1 ()()0 29(4)2(3 5 8 8 1 3 1 ( )( ) 28(23)2(15) 2 2 5 1 9 ( )(90) (1)312 (1)1288 7 8 (1)(16) 2(5) 0.5(11) 1 1 ()() 151(133) (3)444 2 8 2417(29)(3) 9.7(2.6)(2.2)4.7 2 1 1 1 3 6 ()() 2.9()(9.1) 9 9 7 7 5 5
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