1、七年级数学上册有理数的计算题精选41 6 3 ()()(5) 17(2)2(4) 7 7 1 1 1 ( )( ) 20(12)5(18) 6 4 7 1 (0.5)(7) (5)223 (1)1231 6 1 1 1 ()()0 19(1)2(2 2 2 6 1 6 1 ( )( ) 4(24)2(17) 4 7 8 1 1 ( )(80) (3)342 (1)1640 6 6 (9)(12) 8(15) 5.5(20) 1 1 ()() 135(1010) (1)354 4 7 1915(24)(12) 5.8(5.4)(3.9)0.7 2 1 1 3 6 8 ()() 7.3()(5.4
2、) 9 3 3 5 5 5 5 1 ()()(1) 22(3)2(5) 7 7 8 1 8 ( )( ) 6(12)7(14) 9 4 7 1 (0.5)(4) (4)233 (1)1329 8 1 1 1 ()()0 14(1)2(1 7 6 4 1 6 1 ( )( ) 1(22)3(15) 5 7 3 1 6 ( )(100) (3)453 (1)1273 4 7 (5)(7) 0(20) 0.5(1.5) 1 1 ()() 193(149) (4)423 3 8 119(12)(30) 8.8(4.7)(0.5)5.9 2 1 1 4 4 6 ()() 8.3()(8.8) 5 7 3
3、 5 5 5 2 6 ()()(6) 21(4)3(3) 7 7 1 1 1 ( )( ) 20(22)8(18) 8 4 9 1 (0.5)(4) (1)243 (1)2736 8 1 1 1 ()()0 5(3)3(4 9 4 2 1 7 4 ( )( ) 11(13)10(14) 4 6 3 1 1 ( )(30) (3)253 (1)1943 5 2 (3)(14) 14(7) 6(15.5) 1 1 ()() 171(34) (1)214 9 9 2918(14)(2) 6(7.1)(3.7)5.9 2 1 1 1 4 9 ()() 3.6()(8.1) 3 7 9 7 5 5 2
4、5 ()()(2) 29(2)3(1) 7 7 4 1 1 ( )( ) 14(24)10(20) 5 4 3 1 (0.8)(2) (3)422 (1)1304 8 1 1 1 ()()0 15(1)2(1 9 6 9 1 1 1 ( )( ) 18(12)6(13) 5 7 2 1 8 ( )(20) (1)243 (1)1330 4 7 (10)(14) 4(1) 8.5(14.5) 1 1 ()() 75(111) (5)433 5 2 311(21)(30) 6.7(7)(4.6)6.3 2 1 1 3 7 1 ()() 4.8()(3.9) 5 4 4 5 5 5 1 5 ()()
5、(9) 21(3)2(5) 7 7 1 1 1 ( )( ) 16(27)3(17) 2 2 5 1 (0.2)(600) (2)322 (1)1414 7 1 1 1 ()()0 25(4)3(3 7 2 5 1 4 3 ( )( ) 30(20)4(19) 2 5 4 1 1 ( )(100) (1)232 (1)2059 5 4 (18)(2) 20(14) 1(9.5) 1 1 ()() 81(73) (0)352 9 6 3514(28)(25) 1.1(0.9)(3.9)9.2 2 1 1 2 2 6 ()() 2.5()(8.1) 7 6 8 5 5 5 3 6 ()()(4)
6、15(2)3(1) 7 7 1 1 8 ( )( ) 7(28)6(10) 8 6 9 1 (0.5)(400) (1)423 (1)1804 3 1 1 1 ()()0 18(3)2(3 2 7 9 1 1 1 ( )( ) 24(10)8(14) 4 8 8 1 5 ( )(40) (5)433 (1)1173 4 6 (10)(1) 17(9) 3(18.5) 1 1 ()() 152(196) (1)312 9 6 334(17)(24) 2.9(3.7)(2.7)1.2 2 1 1 2 1 4 ()() 2.9()(6.9) 5 3 5 7 5 5 5 5 ()()(5) 24(4)
7、3(2) 7 7 8 1 1 ( )( ) 20(11)10(19) 7 4 9 1 (0.8)(700) (1)222 (1)1244 9 1 1 1 ()()0 27(4)3(3 7 5 8 1 1 1 ( )( ) 4(22)2(20) 6 8 2 7 1 ( )(10) (4)332 (1)2150 6 5 (15)(4) 20(8) 5.5(3) 1 1 ()() 92(17) (2)414 6 6 1311(5)(27) 9(9)(2.4)7.2 2 1 1 2 6 1 ()() 3.6()(6.8) 9 7 4 5 5 5 4 5 ()()(1) 19(4)2(4) 7 7 6
8、1 8 ( )( ) 5(17)7(16) 5 2 9 1 (0.1)(3) (2)323 (1)1124 5 1 1 1 ()()0 22(4)3(4 3 8 4 1 5 8 ( )( ) 22(15)3(20) 4 4 7 1 4 ( )(90) (4)322 (1)1871 6 3 (10)(8) 4(3) 14.5(3) 1 1 ()() 195(108) (0)224 4 5 265(22)(10) 3.3(8.5)(0.3)6.3 2 1 1 1 6 4 ()() 6.8()(2.4) 3 3 9 5 5 5 6 1 ()()(4) 9(3)2(1) 7 7 10 1 1 ( )(
9、 ) 27(30)3(16) 9 8 3 1 (0.1)(9) (5)212 (1)2077 3 1 1 1 ()()0 22(1)3(5 2 4 5 1 7 1 ( )( ) 22(30)5(10) 5 6 5 5 1 ( )(70) (1)413 (1)2718 4 2 (7)(16) 13(6) 2(22) 1 1 ()() 203(122) (0)314 7 5 1716(6)(9) 1.8(8.6)(1.6)0.3 2 1 1 4 4 7 ()() 6.4()(6.5) 7 6 2 7 5 5 1 5 ()()(8) 25(4)3(5) 7 7 6 1 1 ( )( ) 24(20)
10、3(17) 5 4 3 1 (0.3)(80) (5)222 (1)1980 2 1 1 1 ()()0 4(2)2(3 7 4 2 1 1 6 ( )( ) 6(22)1(20) 6 7 5 1 7 ( )(80) (4)422 (1)1829 5 6 (11)(18) 13(15) 3(14) 1 1 ()() 70(181) (5)213 8 6 416(24)(3) 1.2(5.2)(2.2)4.2 2 1 1 2 4 9 ()() 4.5()(1.8) 9 6 6 5 5 5 4 5 ()()(6) 17(4)2(3) 7 7 1 1 4 ( )( ) 18(23)10(18) 6
11、2 5 1 (0.1)(900) (1)313 (1)2805 6 1 1 1 ()()0 14(2)2(4 4 8 8 1 1 7 ( )( ) 6(15)1(18) 4 6 8 6 1 ( )(90) (2)352 (1)1559 7 7 (10)(18) 0(16) 4(11) 1 1 ()() 94(126) (5)232 2 9 3417(12)(19) 9.2(1.5)(0.4)10 2 1 1 4 1 8 ()() 2.9()(2.2) 5 3 4 5 5 5 2 4 ()()(2) 8(1)3(2) 7 7 1 1 6 ( )( ) 23(16)6(16) 7 2 7 1 (0.5)(200) (4)443 (1)2768 9 1 1 1 ()()0 8(4)2(4 4 7 4 1 3 9 ( )( ) 14(14)3(20) 2 2 8 1 1 ( )(70) (4)242 (1)1707 4 5 (3)(13) 3(3) 11(6.5) 1 1 ()() 93(51) (4)353 6 3 3810(14)(3) 0.2(7.5)(0.8)4.8 2 1 1 2 3 2 ()() 6.1()(6.8) 7 5 2 7 5 5