1、七年级数学上册有理数的计算题精选131 2 4 ()()(3) 30(3)2(2) 7 7 5 1 6 ( )( ) 6(26)2(19) 4 2 5 1 (0.3)(100) (2)222 (1)2452 3 1 1 1 ()()0 17(3)3(5) 3 2 2 1 7 3 ( )( ) 29(21)9(16) 3 6 2 4 1 ( )(50) (1)423 (1)1525 3 8 (4)(6) 3(20) 12(13.5) 1 1 ()() 103(124) (3)434 6 9 333(25)(13) 6.2(2.5)(0.6)3.9 2 1 1 3 7 4 ()() 3.5()(3
2、.9) 5 8 6 7 5 5 5 4 ()()(5) 21(4)3(2) 7 7 6 1 2 ( )( ) 29(18)7(19) 5 8 3 1 (0.9)(50) (2)312 (1)1426 6 1 1 1 ()()0 8(3)2(2) 4 4 7 1 6 5 ( )( ) 11(13)10(18) 8 5 6 9 9 ( )(100) (5)343 (1)1460 8 8 (19)(17) 20(5) 10.5(9.5) 1 1 ()() 182(14) (2)254 9 3 2614(21)(27) 5.4(1.1)(4.3)1.1 2 1 1 2 4 6 ()() 3.8()(4
3、.3) 5 4 7 7 5 5 5 6 ()()(8) 29(1)2(5) 7 7 3 1 4 ( )( ) 16(23)1(14) 4 2 3 1 (0.3)(90) (2)223 (1)1512 7 1 1 1 ()()0 19(1)3(5) 5 6 7 1 1 5 ( )( ) 14(19)9(12) 5 6 6 8 9 ( )(10) (4)342 (1)2506 7 8 (18)(17) 1(1) 13.5(9.5) 1 1 ()() 152(76) (0)254 6 7 2914(17)(5) 6.5(9)(2.3)3.2 2 1 1 1 3 2 ()() 6.4()(7.3) 3
4、 9 7 7 5 5 3 4 ()()(8) 18(4)3(1) 7 7 4 1 1 ( )( ) 1(13)6(12) 3 6 5 1 (0.3)(6) (4)453 (1)1596 9 1 1 1 ()()0 18(2)3(4) 5 2 3 1 1 9 ( )( ) 11(17)1(15) 6 2 8 2 7 ( )(90) (5)422 (1)1876 3 8 (1)(17) 0(20) 7(15) 1 1 ()() 93(12) (4)413 7 7 14(11)(3) 2.2(1.1)(2)2.2 2 1 1 3 2 1 ()() 2.7()(2.1) 5 3 9 7 5 5 3 3
5、 ()()(8) 19(1)2(2) 7 7 1 1 2 ( )( ) 26(19)2(12) 9 4 3 1 (0.7)(300) (2)232 (1)1388 7 1 1 1 ()()0 16(4)2(2) 4 7 3 1 9 1 ( )( ) 5(20)3(11) 7 8 5 7 1 ( )(30) (1)253 (1)2586 6 3 (8)(13) 18(9) 9(18) 1 1 ()() 54(145) (4)324 7 5 017(23)(21) 0.6(1)(0.7)0.8 2 1 1 1 6 3 ()() 2.5()(4.8) 3 5 5 5 5 5 1 3 ()()(5)
6、2(4)2(5) 7 7 5 1 8 ( )( ) 22(13)1(10) 6 8 9 1 (0.3)(700) (4)332 (1)1550 6 1 1 1 ()()0 21(3)2(3) 2 9 6 1 3 1 ( )( ) 3(17)6(11) 2 2 7 5 1 ( )(70) (4)452 (1)2145 6 4 (10)(3) 10(14) 6.5(12.5) 1 1 ()() 42(88) (2)212 6 7 255(13)(2) 8.9(9.4)(3.5)1.1 2 1 1 1 6 2 ()() 1.8()(2.3) 3 8 9 5 5 5 5 5 ()()(10) 21(2
7、)3(3) 7 7 5 1 4 ( )( ) 24(24)10(19) 6 4 5 1 (0.5)(9) (1)243 (1)1630 6 1 1 1 ()()0 15(1)2(4) 2 4 6 1 1 9 ( )( ) 16(18)8(10) 6 5 8 2 1 ( )(50) (5)432 (1)2485 3 2 (8)(13) 19(9) 14.5(5) 1 1 ()() 202(59) (0)333 8 6 197(23)(17) 4(9.9)(3.3)9.8 2 1 1 2 3 9 ()() 6.1()(2.8) 3 6 5 5 5 5 1 4 ()()(6) 10(4)2(2) 7
8、 7 1 1 2 ( )( ) 28(23)3(10) 4 2 3 1 (0.1)(8) (4)223 (1)2007 2 1 1 1 ()()0 19(4)3(3) 4 6 4 1 7 8 ( )( ) 16(19)6(19) 8 6 7 3 1 ( )(60) (2)312 (1)2275 4 2 (16)(6) 9(1) 15(21.5) 1 1 ()() 140(59) (4)212 5 4 611(21)(12) 6.3(5.9)(1.8)7.5 2 1 1 3 6 6 ()() 7.1()(8.9) 3 6 5 7 5 5 2 6 ()()(6) 27(3)3(5) 7 7 3 1
9、 6 ( )( ) 30(15)6(16) 2 8 7 1 (0.2)(8) (1)422 (1)1420 6 1 1 1 ()()0 3(2)2(2) 2 3 8 1 4 3 ( )( ) 20(13)8(13) 7 3 2 4 6 ( )(100) (2)412 (1)2879 3 5 (20)(3) 0(8) 5(14.5) 1 1 ()() 92(610) (3)343 7 4 4019(21)(13) 1.3(4.8)(0.3)2.3 2 1 1 4 2 2 ()() 2.4()(6.3) 7 4 2 5 5 5 4 5 ()()(1) 20(3)2(4) 7 7 6 1 1 ( )( ) 12(19)2(20) 7 8 3 1 (0.9)(100) (1)322 (1)2689 3 1 1 1 ()()0 24(1)2(4) 9 4 4 1 1 4 ( )( ) 1(26)3(20) 4 8 3 6 4 ( )(60) (4)412 (1)2655 7 5 (2)(15) 19(7) 4.5(5.5) 1 1 ()() 123(35) (3)254 3 2 2019(26)(19) 1.6(2.7)(4.1)0.4 2 1 1 1 7 8 ()() 6.7()(6.8) 5 3 7 7 5 5
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