1、七年级数学上册有理数的计算题精选105 3 5 ()()(3) 7(4)3(1) 7 7 6 1 1 ( )( ) 28(24)4(11) 7 2 9 1 (0.5)(50) (5)453 (1)1505 6 1 1 1 ()()0 6(4)3(4 6 9 7 1 1 1 ( )( ) 2(21)4(20) 3 5 7 1 1 ( )(20) (2)413 (1)2042 4 2 (16)(18) 14(17) 4.5(19) 1 1 ()() 23(172) (5)344 5 5 384(25)(25) 4(5.1)(2.9)6.3 2 1 1 4 3 2 ()() 2.7()(8.5) 9
2、 6 7 5 5 5 3 3 ()()(3) 1(1)2(2) 7 7 1 1 8 ( )( ) 11(13)3(19) 2 2 7 1 (0.6)(70) (1)253 (1)2361 2 1 1 1 ()()0 24(4)3(4 4 5 9 1 1 3 ( )( ) 8(26)8(15) 6 3 4 1 1 ( )(100) (4)313 (1)1563 7 5 (6)(13) 2(9) 1(12.5) 1 1 ()() 124(85) (5)442 5 3 117(1)(24) 2(5.9)(3.4)9 2 1 1 3 9 4 ()() 2.3()(7.1) 5 2 9 5 5 5 5
3、2 ()()(8) 24(3)2(5) 7 7 1 1 1 ( )( ) 23(28)6(17) 3 6 3 1 (0.7)(500) (2)452 (1)1679 2 1 1 1 ()()0 14(3)3(3 8 5 3 1 1 4 ( )( ) 19(19)9(10) 2 2 3 1 1 ( )(30) (4)223 (1)2140 4 8 (9)(9) 14(1) 4.5(7.5) 1 1 ()() 173(35) (2)412 4 3 194(28)(1) 5.6(3.7)(3.9)2.6 2 1 1 4 1 2 ()() 9.2()(7.9) 5 8 2 7 5 5 3 3 ()()
4、(3) 30(1)3(4) 7 7 1 1 1 ( )( ) 16(19)6(16) 8 8 5 1 (0.7)(700) (3)452 (1)2580 6 1 1 1 ()()0 6(1)3(2 6 5 3 1 1 1 ( )( ) 3(13)1(14) 4 3 5 6 2 ( )(10) (1)443 (1)2393 7 3 (14)(13) 13(16) 10.5(6.5) 1 1 ()() 143(179) (1)223 5 2 213(14)(19) 9.2(8.1)(2)9.3 2 1 1 3 7 6 ()() 5.3()(4.2) 3 5 8 5 5 5 1 6 ()()(8)
5、19(4)2(5) 7 7 1 1 1 ( )( ) 11(30)1(18) 2 6 7 1 (0.3)(600) (5)333 (1)2070 3 1 1 1 ()()0 4(1)3(2 6 4 6 1 9 5 ( )( ) 21(24)1(16) 3 8 4 1 1 ( )(60) (2)232 (1)2235 6 3 (16)(16) 6(13) 9.5(6.5) 1 1 ()() 44(193) (4)312 8 2 101(8)(20) 8.2(8.4)(0.6)2.3 2 1 1 3 1 1 ()() 8.3()(7.2) 5 8 3 7 5 5 2 2 ()()(8) 3(1)2
6、(1) 7 7 1 1 8 ( )( ) 5(14)3(17) 3 6 9 1 (0.1)(6) (4)323 (1)1717 2 1 1 1 ()()0 6(4)3(5 5 3 5 1 9 4 ( )( ) 10(29)5(10) 8 8 5 6 1 ( )(30) (3)243 (1)1509 7 2 (1)(1) 5(9) 9.5(6.5) 1 1 ()() 31(124) (3)432 5 6 368(2)(20) 3.2(4.9)(0.2)1 2 1 1 4 8 2 ()() 8.5()(3.8) 5 2 9 7 5 5 3 1 ()()(3) 1(1)3(2) 7 7 8 1 2
7、( )( ) 30(23)3(11) 9 4 3 1 (0.5)(8) (1)313 (1)1255 7 1 1 1 ()()0 13(3)2(1 4 6 8 1 3 1 ( )( ) 24(26)1(11) 5 2 5 8 7 ( )(70) (5)242 (1)1758 7 8 (19)(6) 7(10) 2(5) 1 1 ()() 175(35) (4)313 2 5 318(3)(12) 6(0.6)(2.2)7.7 2 1 1 1 7 4 ()() 8.1()(7.7) 5 6 5 7 5 5 1 6 ()()(4) 29(1)2(2) 7 7 1 1 2 ( )( ) 29(16)
8、1(14) 2 4 3 1 (0.6)(800) (5)343 (1)1268 6 1 1 1 ()()0 16(3)3(2 5 5 7 1 1 3 ( )( ) 25(22)3(11) 8 4 4 1 1 ( )(10) (1)323 (1)1858 8 3 (18)(8) 17(17) 8(10) 1 1 ()() 121(61) (0)334 4 4 3913(9)(6) 3.3(8.1)(1.8)1.8 2 1 1 2 7 3 ()() 6.6()(9.5) 7 3 5 7 5 5 3 5 ()()(7) 27(3)3(2) 7 7 1 1 1 ( )( ) 11(22)5(12) 6
9、 6 7 1 (0.3)(600) (1)413 (1)1726 2 1 1 1 ()()0 28(3)3(1 3 3 8 1 7 1 ( )( ) 20(15)7(11) 6 8 3 1 1 ( )(80) (4)422 (1)1105 5 4 (5)(5) 15(3) 8(24) 1 1 ()() 81(85) (0)412 2 2 3318(2)(12) 0.6(6.8)(3.4)9.5 2 1 1 3 9 6 ()() 9.3()(9.6) 5 5 9 5 5 5 3 2 ()()(1) 9(2)3(2) 7 7 2 1 6 ( )( ) 9(17)2(11) 3 6 7 1 (0.3
10、)(80) (2)412 (1)2328 2 1 1 1 ()()0 18(1)2(2 7 7 5 1 1 5 ( )( ) 24(27)4(18) 7 3 4 3 1 ( )(90) (2)422 (1)1573 2 8 (16)(20) 7(9) 9.5(2.5) 1 1 ()() 203(710) (0)432 5 5 252(27)(17) 0.8(5.2)(2)8.9 2 1 1 4 4 8 ()() 3.9()(7.9) 3 2 5 7 5 5 4 1 ()()(5) 20(4)3(5) 7 7 7 1 1 ( )( ) 26(13)8(16) 8 8 7 1 (0.7)(1) (
11、1)443 (1)1671 7 1 1 1 ()()0 7(2)2(1 8 7 2 1 1 1 ( )( ) 16(19)8(13) 4 6 2 6 2 ( )(100) (5)342 (1)2320 5 3 (20)(16) 2(10) 6(5.5) 1 1 ()() 183(187) (3)313 7 7 123(15)(12) 6.7(8.5)(1)2.9 2 1 1 4 6 3 ()() 8.5()(5.6) 3 4 2 5 5 5 2 1 ()()(1) 22(1)3(1) 7 7 1 1 2 ( )( ) 23(28)7(11) 4 8 3 1 (0.6)(90) (1)412 (1)2685 3 1 1 1 ()()0 18(4)3(3 7 8 3 1 1 1 ( )( ) 25(20)3(11) 7 6 5 1 1 ( )(20) (2)312 (1)1316 7 4 (10)(2) 10(19) 9(22) 1 1 ()() 42(196) (4)232 6 7 2119(28)(8) 1(0.6)(0.7)3 2 1 1 1 7 2 ()() 9.2()(7.8) 5 5 3 7 5 5
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