1、七年级数学上册有理数的计算题精选48 3 5 ()()(10) 4(1)3(1) 7 7 1 1 4 ( )( ) 29(28)4(18) 6 6 5 1 (0.2)(600) (4)433 (1)1344 8 1 1 1 ()()0 14(3)3(5) 5 2 5 1 7 3 ( )( ) 27(29)5(17) 4 6 2 4 9 ( )(80) (1)312 (1)2814 5 8 (15)(8) 1(12) 1.5(22) 1 1 ()() 60(83) (2)433 4 4 3815(9)(12) 8.8(8.7)(4.6)6.9 2 1 1 1 1 4 ()() 9.2()(7.6
2、) 5 4 9 5 5 5 5 5 ()()(9) 9(3)3(5) 7 7 10 1 4 ( )( ) 2(24)5(10) 9 4 3 1 (0.4)(70) (4)243 (1)1113 5 1 1 1 ()()0 20(1)2(1) 5 7 6 1 1 7 ( )( ) 27(13)3(10) 4 6 6 1 7 ( )(30) (1)343 (1)1531 6 8 (14)(12) 11(20) 2.5(23) 1 1 ()() 81(205) (0)212 5 8 52(24)(2) 6.8(1.6)(2.7)9.6 2 1 1 2 6 7 ()() 7.1()(2.8) 3 7
3、8 7 5 5 1 5 ()()(10) 29(3)3(3) 7 7 7 1 2 ( )( ) 14(21)10(20) 6 8 3 1 (0.7)(70) (1)352 (1)1553 7 1 1 1 ()()0 15(1)3(1) 2 9 2 1 5 4 ( )( ) 10(16)1(15) 6 4 5 1 1 ( )(10) (1)312 (1)2681 3 5 (13)(17) 5(11) 1(16.5) 1 1 ()() 170(2010) (1)424 3 9 192(29)(14) 5.3(4.5)(4.4)5.6 2 1 1 4 6 3 ()() 1.9()(7.5) 3 7
4、6 7 5 5 3 6 ()()(3) 4(1)3(3) 7 7 6 1 4 ( )( ) 24(22)4(14) 7 6 5 1 (0.6)(50) (4)423 (1)2970 9 1 1 1 ()()0 25(1)3(4) 5 3 9 1 8 1 ( )( ) 9(24)3(20) 4 7 6 1 1 ( )(30) (5)413 (1)1752 3 7 (19)(14) 6(17) 13(10.5) 1 1 ()() 21(74) (4)242 7 7 1610(28)(24) 9.3(1.6)(2.3)4.2 2 1 1 1 7 3 ()() 6.5()(7.8) 7 6 8 7 5
5、 5 5 2 ()()(10) 12(1)2(5) 7 7 7 1 4 ( )( ) 22(23)6(10) 6 6 3 1 (0.4)(70) (5)343 (1)1731 7 1 1 1 ()()0 28(2)3(3) 6 9 5 1 4 2 ( )( ) 16(15)10(16) 5 5 3 7 6 ( )(90) (3)423 (1)2527 8 5 (7)(8) 4(13) 11.5(2) 1 1 ()() 150(1210) (0)322 3 8 1614(23)(5) 4.7(2)(4.2)3.3 2 1 1 1 1 7 ()() 2.3()(3.3) 9 9 4 7 5 5 2
6、 6 ()()(10) 6(2)3(3) 7 7 3 1 1 ( )( ) 1(21)8(15) 2 8 3 1 (0.9)(1000) (3)213 (1)1189 6 1 1 1 ()()0 17(1)2(3) 5 5 4 1 4 1 ( )( ) 13(25)4(12) 5 3 6 3 3 ( )(50) (4)422 (1)2156 4 4 (12)(3) 10(5) 14.5(16) 1 1 ()() 155(131) (1)212 6 6 1420(26)(30) 4.7(6.3)(0.4)4.5 2 1 1 1 1 4 ()() 7.5()(4.7) 3 6 6 5 5 5 3
7、3 ()()(3) 17(2)3(1) 7 7 8 1 4 ( )( ) 24(27)9(13) 7 6 5 1 (0.8)(60) (5)242 (1)1694 8 1 1 1 ()()0 3(4)2(2) 5 8 5 1 4 1 ( )( ) 25(22)5(18) 6 5 2 1 1 ( )(60) (1)312 (1)1556 3 8 (12)(12) 17(1) 10.5(10.5) 1 1 ()() 145(14) (5)433 9 3 405(22)(19) 1.2(5.9)(0.2)1.4 2 1 1 1 2 7 ()() 3.6()(6.8) 5 6 7 7 5 5 4 1
8、()()(6) 4(2)3(4) 7 7 1 1 6 ( )( ) 17(23)8(13) 3 2 5 1 (0.1)(5) (2)222 (1)2141 6 1 1 1 ()()0 20(2)2(5) 4 6 8 1 3 2 ( )( ) 2(23)6(18) 7 4 3 1 2 ( )(50) (5)422 (1)1178 3 3 (19)(7) 13(13) 12(7.5) 1 1 ()() 51(209) (3)433 6 2 3113(8)(6) 9(6.3)(3.7)5.9 2 1 1 1 7 1 ()() 6.2()(2.4) 5 5 8 7 5 5 3 3 ()()(2) 10
9、(4)3(4) 7 7 8 1 1 ( )( ) 2(11)8(12) 7 8 5 1 (0.8)(3) (4)212 (1)1153 2 1 1 1 ()()0 7(4)2(5) 2 9 8 1 1 8 ( )( ) 30(14)10(19) 8 7 7 6 6 ( )(40) (2)432 (1)2414 7 5 (12)(16) 2(9) 15(6) 1 1 ()() 65(910) (2)413 6 7 2915(14)(28) 5.6(2.4)(0.1)6 2 1 1 4 9 7 ()() 2.9()(6.9) 7 4 5 7 5 5 5 6 ()()(3) 16(1)2(1) 7 7 5 1 1 ( )( ) 16(22)6(12) 6 4 5 1 (0.5)(1) (2)422 (1)1485 8 1 1 1 ()()0 2(2)2(3) 5 6 5 1 2 5 ( )( ) 2(19)8(18) 2 3 4 1 1 ( )(80) (1)452 (1)2774 5 4 (2)(11) 16(20) 8(10) 1 1 ()() 74(66) (1)454 2 8 1419(19)(26) 3.4(5.9)(2.9)5.2 2 1 1 1 9 7 ()() 5.6()(6.9) 3 2 8 7 5 5
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