1、七年级数学上册有理数的计算题精选55 6 1 ()()(2) 9(4)3(2) 7 7 10 1 10 ( )( ) 12(25)7(18) 9 4 9 1 (0.7)(700) (2)222 (1)2048 2 1 1 1 ()()0 1(4)3(5 8 2 8 1 1 8 ( )( ) 20(26)1(17) 6 2 7 1 4 ( )(80) (1)322 (1)1955 2 5 (6)(7) 14(6) 4.5(12) 1 1 ()() 190(1010) (1)234 6 6 45(25)(2) 3.7(5.2)(0.1)5.7 2 1 1 2 1 6 ()() 6.8()(8.4)
2、 7 8 3 7 5 5 4 2 ()()(1) 21(1)2(5) 7 7 1 1 4 ( )( ) 6(25)8(15) 2 4 3 1 (0.9)(5) (5)343 (1)2305 2 1 1 1 ()()0 11(4)3(4 7 2 8 1 8 5 ( )( ) 17(18)6(18) 5 7 4 1 1 ( )(20) (3)433 (1)1106 4 5 (19)(1) 17(18) 15(8.5) 1 1 ()() 175(31) (1)444 3 3 257(17)(3) 3.4(1.5)(4.7)9.2 2 1 1 1 1 9 ()() 5.9()(2.8) 7 5 2 5
3、 5 5 1 6 ()()(4) 16(3)3(5) 7 7 1 1 4 ( )( ) 30(13)6(11) 5 6 5 1 (0.4)(100) (1)313 (1)2745 7 1 1 1 ()()0 3(2)3(3 6 4 8 1 2 1 ( )( ) 22(11)9(14) 8 3 6 9 1 ( )(90) (2)352 (1)2640 8 4 (4)(2) 20(14) 9(0.5) 1 1 ()() 13(137) (4)323 5 5 375(28)(4) 1(6.4)(4.9)8.6 2 1 1 3 3 8 ()() 7.6()(1.7) 7 9 9 7 5 5 5 1 (
4、)()(4) 21(4)2(2) 7 7 8 1 1 ( )( ) 14(22)4(16) 9 4 7 1 (0.1)(1) (3)422 (1)2833 7 1 1 1 ()()0 13(4)3(2 5 6 3 1 1 1 ( )( ) 19(19)6(13) 3 2 5 1 6 ( )(40) (3)323 (1)1269 2 5 (9)(13) 6(19) 6(22.5) 1 1 ()() 114(123) (3)432 2 8 406(18)(14) 10(8.1)(4.7)4.2 2 1 1 2 7 2 ()() 4.1()(7.7) 3 7 6 7 5 5 1 1 ()()(9)
5、24(2)3(4) 7 7 1 1 1 ( )( ) 20(15)7(14) 6 4 9 1 (0.9)(90) (1)422 (1)2948 2 1 1 1 ()()0 15(1)3(4 6 3 2 1 3 1 ( )( ) 10(23)9(17) 6 2 3 5 7 ( )(90) (1)322 (1)1633 4 6 (9)(11) 18(10) 7.5(7) 1 1 ()() 03(149) (1)424 8 2 114(24)(10) 7.9(8.6)(2.5)6.9 2 1 1 4 6 8 ()() 9.7()(2.3) 9 8 3 5 5 5 4 6 ()()(1) 14(3)3
6、(5) 7 7 1 1 8 ( )( ) 7(17)3(16) 2 6 7 1 (0.7)(1) (3)442 (1)2338 6 1 1 1 ()()0 2(4)3(5 6 5 4 1 1 4 ( )( ) 9(23)7(13) 7 7 5 4 5 ( )(30) (3)242 (1)1750 3 4 (11)(13) 18(6) 8.5(5.5) 1 1 ()() 185(111) (3)314 7 9 2615(1)(1) 0.9(8.1)(4)8.5 2 1 1 2 4 2 ()() 4.6()(3.1) 9 6 4 5 5 5 2 4 ()()(5) 8(1)3(1) 7 7 2 1
7、 8 ( )( ) 21(16)4(14) 3 6 9 1 (0.4)(9) (2)442 (1)2706 8 1 1 1 ()()0 19(3)3(5 7 8 6 1 7 3 ( )( ) 3(22)2(18) 5 8 2 1 1 ( )(60) (4)243 (1)2279 2 2 (20)(5) 3(1) 7(7) 1 1 ()() 95(1010) (4)253 7 7 136(23)(28) 2.2(3.9)(0.7)2.8 2 1 1 3 8 1 ()() 1.8()(8.4) 7 7 5 7 5 5 4 6 ()()(8) 15(2)3(3) 7 7 1 1 2 ( )( ) 4
8、(18)4(20) 8 8 3 1 (0.5)(100) (5)233 (1)1260 2 1 1 1 ()()0 15(2)2(1 9 9 4 1 2 1 ( )( ) 15(20)8(13) 6 3 4 5 1 ( )(100) (4)222 (1)1081 4 4 (10)(12) 18(9) 6.5(5) 1 1 ()() 31(146) (3)322 8 4 211(15)(7) 6.5(7.2)(4.7)2.4 2 1 1 4 2 1 ()() 2.9()(5.7) 3 3 5 5 5 5 2 5 ()()(2) 29(4)2(1) 7 7 3 1 4 ( )( ) 5(17)1(
9、12) 2 8 3 1 (0.7)(50) (5)423 (1)1303 3 1 1 1 ()()0 17(4)3(4 2 5 5 1 1 6 ( )( ) 16(23)9(12) 8 2 5 8 1 ( )(30) (4)352 (1)2948 7 3 (16)(2) 6(20) 7.5(5.5) 1 1 ()() 142(159) (4)232 8 7 1214(2)(28) 9.7(5.6)(2.4)9.2 2 1 1 4 9 8 ()() 9.9()(4.4) 3 4 7 5 5 5 4 5 ()()(10) 7(3)3(4) 7 7 1 1 1 ( )( ) 9(14)1(19) 9
10、 4 3 1 (0.6)(8) (5)433 (1)1778 8 1 1 1 ()()0 24(2)2(1 3 2 6 1 4 2 ( )( ) 29(17)8(16) 4 5 3 1 9 ( )(50) (3)452 (1)1005 7 8 (20)(13) 0(5) 4.5(6.5) 1 1 ()() 23(109) (4)354 4 7 234(4)(22) 3(9.8)(3.7)4.6 2 1 1 2 8 2 ()() 4.9()(8.6) 5 5 2 7 5 5 5 2 ()()(1) 5(3)2(2) 7 7 3 1 4 ( )( ) 1(24)9(14) 4 4 3 1 (0.5
11、)(6) (4)313 (1)2478 9 1 1 1 ()()0 11(4)2(1 4 4 3 1 8 1 ( )( ) 8(29)6(13) 7 7 2 4 1 ( )(10) (5)313 (1)1693 5 6 (6)(3) 6(15) 7(8.5) 1 1 ()() 105(123) (0)234 2 9 1911(10)(9) 8.4(3.5)(3.8)4.1 2 1 1 1 9 4 ()() 9.5()(6.9) 5 3 4 5 5 5 3 6 ()()(5) 1(1)2(5) 7 7 1 1 8 ( )( ) 21(30)5(10) 6 4 7 1 (0.3)(80) (4)322 (1)1330 2 1 1 1 ()()0 6(2)3(3 6 8 5 1 6 1 ( )( ) 14(13)10(16) 8 7 4 3 1 ( )(20) (5)343 (1)1465 4 4 (2)(16) 14(15) 13(13) 1 1 ()() 105(179) (4)452 8 8 377(3)(14) 3.9(9.6)(5)2 2 1 1 3 9 9 ()() 8.2()(4.6) 3 6 6 7 5 5