1、有理数计算题专项练习 59 1 1 () () (2)16(3.5) 7 9 1 () 6 (8)25 4 7 6 ( )( )(2) -1(1362) 6 5 9 (8) 14(4.1)0(16.5) 10 (2)(9) 9(1) 9.5(17) 1 1 () () (7)20(3.25) 5 6 1 () 4 (4)165 2 6 1 ( )( )(5) 1(1754) 5 6 21 (14) 10.5(4.2)0(27.8) 20 (2)(9) 5(1) 2.5(1) 1 1 () () (6)20(3.25) 3 7 1 () 10 (20)425 6 1 9 ( )( )(4) 0(
2、1409) 8 8 1 (6) 16.5(7.8)0(96.3) 18 (6)(8) 4(13) 9.5(1) 1 1 () () (1)14(3.75) 8 6 1 () 8 (4)180.5 3 1 8 ( )( )(5) -1(1008) 4 7 13 (4) 18.5(1.6)0(87) 12 (5)(19) 4(20) 7.5(19) 1 1 () () (2)10(1.25) 7 8 1 () 12 (4)60.5 4 1 1 ( )( )(7) 0(1421) 2 7 17 (2) 1.5(2.6)0(21.7) 18 (7)(6) 10(10) 5.5(10) 1 1 () (
3、) (5)16(1) 4 4 1 () 4 (16)412.5 8 1 1 ( )( )(5) 1(1827) 3 5 19 (4) 7(8.6)0(58.9) 18 (6)(8) 6(18) 1(16) 1 1 () () (9)2(3.25) 5 8 1 () 2 (12)1650 7 9 1 ( )( )(6) 1(1645) 8 2 1 (2) 9.5(4.3)0(23.1) 20 (8)(5) 3(9) 7.5(13) 1 1 () () (6)18(3.75) 5 2 1 () 16 (4)14250 7 7 7 ( )( )(5) 1(2351) 6 6 7 (10) 17.5(
4、0.2)0(64.8) 6 (9)(14) 3(3) 7(5) 1 1 () () (5)14(5) 2 8 1 () 14 (12)100.25 6 5 5 ( )( )(6) 0(1036) 4 4 17 (12) 15.5(9.8)0(24.1) 18 (2)(5) 5(18) 7(16) 1 1 () () (5)4(2) 3 5 1 () 20 (12)60.5 7 1 1 ( )( )(7) 0(2061) 3 2 3 (10) 19.5(0.1)0(66.7) 2 (6)(5) 1(20) 3(6) 1 1 () () (4)18(3) 8 4 1 () 18 (12)225 3
5、 1 7 ( )( )(5) -1(2166) 5 6 1 (10) 2(6.9)0(13.9) 12 (2)(14) 1(6) 9.5(20) 1 1 () () (9)20(2.5) 8 6 1 () 20 (20)1812.5 3 9 4 ( )( )(9) -1(1711) 8 3 7 (8) 10(9.6)0(30.5) 8 (5)(15) 10(16) 3.5(1) 1 1 () () (10)6(3.25) 4 9 1 () 2 (8)100.5 5 7 1 ( )( )(4) -1(1538) 6 4 19 (4) 1.5(6.1)0(24.6) 18 (1)(14) 5(9)
6、 4.5(15) 1 1 () () (9)18(2.75) 6 3 1 () 8 (20)200.125 8 1 1 ( )( )(9) 1(2327) 2 4 7 (14) 1.5(7.4)0(22.2) 6 (5)(4) 1(16) 3(19) 1 1 () () (7)10(1.5) 5 9 1 () 16 (12)180.25 4 8 1 ( )( )(8) -1(1418) 7 8 3 (14) 10(7.4)0(54.4) 2 (6)(14) 10(14) 5(20) 1 1 () () (10)2(3.5) 8 7 1 () 2 (12)12125 8 1 1 ( )( )(6
7、) -1(2154) 8 8 1 (8) 20(9)0(77.4) 4 (6)(7) 9(15) 0.5(5) 1 1 () () (1)18(0.25) 6 3 1 () 12 (12)60.05 5 1 5 ( )( )(5) 1(1994) 5 4 21 (2) 19(7.7)0(19) 20 (1)(5) 9(2) 7.5(2) 1 1 () () (6)2(4.75) 6 3 1 () 16 (8)80.125 2 1 1 ( )( )(5) 0(1894) 3 7 1 (14) 18(6.4)0(14.8) 10 (7)(20) 7(12) 9.5(1) 1 1 () () (3)
8、18(0.25) 5 4 1 () 18 (16)1812.5 6 1 1 ( )( )(3) -1(1785) 6 7 21 (16) 9(5.6)0(46.5) 20 (4)(3) 4(16) 10(8) 1 1 () () (8)2(0.75) 6 7 1 () 8 (20)161.25 5 1 1 ( )( )(6) -1(2335) 4 4 11 (4) 10(6.5)0(24.2) 12 (1)(20) 4(11) 10(14) 1 1 () () (8)8(2) 4 2 1 () 8 (20)6250 4 8 8 ( )( )(6) 0(2866) 7 7 1 (2) 2.5(8.5)0(37.2) 10 (2)(9) 8(4) 0.5(7) 1 1 () () (7)2(5) 2 6 1 () 10 (4)1225 8 8 1 ( )( )(2) 1(1357) 7 6 3 (6) 14.5(9.3)0(70.8) 4 (7)(11) 1(18) 6.5(6) 1 1 () () (2)14(1.25) 6 4 1 () 4 (12)18125 2 1 6 ( )( )(3) 0(1310) 6 5 1 (2) 5.5(1.9)0(48.4) 12
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