1、七年级数学上册有理数的计算题精选77 6 6 ()()(4) 21(2)3(1) 7 7 1 1 8 ( )( ) 25(10)3(13) 3 2 7 1 (0.8)(50) (4)333 (1)1808 8 1 1 1 ()()0 10(2)3(2 2 7 7 1 6 3 ( )( ) 1(16)4(17) 5 5 2 4 1 ( )(50) (3)442 (1)2131 5 7 (19)(12) 16(14) 15(16) 1 1 ()() 144(206) (5)252 9 5 102(22)(21) 7.9(7.6)(4.8)8.2 2 1 1 1 1 2 ()() 2.1()(3.2
2、) 9 4 9 7 5 5 5 6 ()()(4) 15(3)2(4) 7 7 1 1 4 ( )( ) 8(21)7(20) 4 8 5 1 (0.1)(1000) (3)323 (1)1158 2 1 1 1 ()()0 25(3)2(3 8 6 5 1 5 1 ( )( ) 12(10)1(10) 4 6 8 1 1 ( )(30) (2)312 (1)1527 3 6 (18)(16) 1(7) 1(3.5) 1 1 ()() 201(105) (4)313 7 7 151(30)(22) 7.1(0.1)(2.3)7.5 2 1 1 2 9 4 ()() 8.6()(3.1) 7 6
3、 2 5 5 5 5 5 ()()(3) 10(3)2(4) 7 7 1 1 1 ( )( ) 18(26)9(17) 9 8 9 1 (0.5)(1000) (5)312 (1)1840 9 1 1 1 ()()0 24(3)2(1 5 4 4 1 1 1 ( )( ) 2(22)7(20) 7 7 2 7 6 ( )(40) (5)312 (1)2615 8 7 (16)(3) 8(20) 12(5) 1 1 ()() 124(57) (4)343 6 2 182(27)(9) 3.1(5.4)(4.7)4.8 2 1 1 4 4 3 ()() 3.3()(1.2) 3 2 4 5 5 5
4、 3 5 ()()(6) 18(4)3(1) 7 7 1 1 1 ( )( ) 27(23)4(13) 6 8 5 1 (0.9)(4) (4)333 (1)1475 5 1 1 1 ()()0 4(1)3(5 8 8 9 1 1 4 ( )( ) 28(20)10(18) 5 4 3 1 1 ( )(10) (2)253 (1)1442 4 7 (13)(10) 3(15) 2.5(13) 1 1 ()() 162(36) (2)213 6 5 3718(14)(29) 5.1(7.1)(4.2)8.9 2 1 1 2 1 4 ()() 5.3()(2.4) 7 7 8 7 5 5 6 6
5、()()(10) 11(2)2(5) 7 7 3 1 4 ( )( ) 14(10)2(11) 4 8 5 1 (0.2)(70) (3)453 (1)2216 8 1 1 1 ()()0 8(1)3(5 3 9 5 1 3 6 ( )( ) 3(24)10(18) 7 2 7 1 9 ( )(70) (3)352 (1)1078 4 8 (8)(3) 15(16) 9(20) 1 1 ()() 182(94) (4)413 9 5 3620(28)(23) 2.9(2.9)(0.5)2.2 2 1 1 1 6 2 ()() 5.5()(8.4) 9 5 7 5 5 5 3 6 ()()(6)
6、 6(4)3(2) 7 7 10 1 10 ( )( ) 25(24)6(16) 9 2 9 1 (0.6)(4) (4)422 (1)2825 2 1 1 1 ()()0 14(1)3(4 6 2 4 1 1 5 ( )( ) 6(15)3(12) 8 2 6 1 3 ( )(80) (1)433 (1)1122 5 2 (17)(3) 20(13) 11.5(18) 1 1 ()() 10(174) (1)423 3 8 818(8)(16) 0(2.4)(4)7.8 2 1 1 2 7 4 ()() 5.4()(7.6) 9 3 3 7 5 5 4 5 ()()(3) 20(2)3(3)
7、 7 7 1 1 2 ( )( ) 5(14)2(14) 8 6 3 1 (0.4)(700) (2)213 (1)1472 2 1 1 1 ()()0 15(4)3(2 8 7 6 1 5 1 ( )( ) 22(20)4(16) 6 6 7 8 1 ( )(100) (5)233 (1)1871 7 6 (6)(10) 2(3) 14(4.5) 1 1 ()() 83(77) (3)232 8 8 2619(9)(15) 8.3(3.9)(0.7)9.3 2 1 1 4 3 4 ()() 3.6()(2.3) 9 8 2 7 5 5 2 2 ()()(3) 4(4)3(4) 7 7 6 1
8、 8 ( )( ) 18(12)7(20) 7 6 9 1 (0.3)(8) (3)212 (1)2923 5 1 1 1 ()()0 22(4)3(4 7 3 5 1 9 1 ( )( ) 16(12)4(10) 7 8 2 7 1 ( )(100) (5)452 (1)2896 6 8 (12)(17) 13(16) 12.5(4.5) 1 1 ()() 91(199) (0)354 9 2 3018(22)(12) 1.1(2.2)(3.3)8.7 2 1 1 4 3 9 ()() 3.4()(6.3) 9 4 6 7 5 5 5 1 ()()(5) 1(1)2(3) 7 7 1 1 1
9、 ( )( ) 15(22)2(11) 2 6 3 1 (0.3)(30) (2)413 (1)2974 5 1 1 1 ()()0 24(1)3(1 4 4 6 1 1 4 ( )( ) 18(22)10(17) 5 6 3 8 2 ( )(100) (1)442 (1)2144 7 3 (17)(13) 20(13) 14(1) 1 1 ()() 60(193) (1)243 9 8 79(5)(16) 6.1(7.5)(0.8)6.9 2 1 1 1 3 4 ()() 9.9()(6.4) 5 7 9 7 5 5 3 2 ()()(4) 18(4)3(2) 7 7 1 1 6 ( )(
10、) 6(10)9(12) 7 4 7 1 (0.6)(80) (5)333 (1)1147 3 1 1 1 ()()0 3(3)3(4 4 4 2 1 1 5 ( )( ) 24(29)2(20) 7 8 6 3 1 ( )(10) (3)322 (1)2411 4 3 (6)(8) 1(10) 6.5(3.5) 1 1 ()() 173(35) (2)312 6 2 202(10)(20) 3.8(3.4)(2.1)2.2 2 1 1 1 7 6 ()() 1.3()(6.5) 7 3 3 7 5 5 1 3 ()()(7) 26(2)3(4) 7 7 7 1 4 ( )( ) 26(25)
11、6(10) 6 4 3 1 (0.3)(10) (1)253 (1)2058 7 1 1 1 ()()0 26(3)2(5 4 9 7 1 1 1 ( )( ) 26(30)3(14) 7 8 5 6 1 ( )(100) (4)342 (1)1243 7 7 (15)(18) 6(12) 7(3.5) 1 1 ()() 175(155) (5)324 4 5 296(24)(3) 9.4(9.6)(4.6)6.9 2 1 1 3 9 1 ()() 9.6()(2.9) 9 7 6 5 5 5 5 2 ()()(1) 25(1)3(5) 7 7 1 1 1 ( )( ) 18(26)6(13) 2 8 5 1 (0.1)(1000) (1)213 (1)2547 3 1 1 1 ()()0 16(4)2(3 3 5 5 1 1 7 ( )( ) 15(20)2(18) 2 6 8 6 1 ( )(50) (4)423 (1)1021 7 2 (3)(8) 13(9) 9(16) 1 1 ()() 153(125) (1)413 9 3 2211(13)(29) 10(0.2)(3.3)3 2 1 1 3 3 3 ()() 3.4()(7.1) 7 2 9 7 5 5
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