1、有理数计算题专项练习 2 6 1 ( )( )(8) 1(2576) 5 6 3 (2) 7.5(5.3)0(30.7) 2 (9)(6) 7(1) 4.5(2) 1 1 () () (5)18(3.25) 3 3 1 () 10 (16)1025 4 7 8 ( )( )(7) -1(2958) 6 7 19 (6) 6(3.3)0(54.4) 20 (6)(11) 7(11) 2(5) 1 1 () () (9)14(1.75) 4 5 1 () 2 (16)82.5 3 1 7 ( )( )(6) 1(1132) 5 6 3 (16) 17(9.2)0(58.1) 4 (4)(13) 4
2、(3) 3.5(3) 1 1 () () (4)2(2.5) 3 7 1 () 8 (16)45 6 4 7 ( )( )(8) -1(2799) 3 6 1 (20) 19.5(7.4)0(70) 2 (1)(4) 2(9) 6(15) 1 1 () () (1)10(2.75) 2 9 1 () 8 (20)62.5 3 1 1 ( )( )(4) 0(3000) 8 8 15 (8) 14.5(2)0(85) 16 (10)(15) 4(5) 7.5(12) 1 1 () () (4)8(2.5) 4 5 1 () 12 (20)2025 7 1 1 ( )( )(6) 1(1782)
3、4 8 11 (2) 6.5(3.5)0(92.7) 12 (2)(7) 4(15) 6.5(16) 1 1 () () (9)6(4) 3 4 1 () 12 (4)12125 5 6 1 ( )( )(5) -1(1815) 5 8 7 (18) 19(5.4)0(68.9) 8 (8)(9) 2(5) 6(12) 1 1 () () (7)14(1.25) 2 6 1 () 8 (12)120.05 2 3 8 ( )( )(5) 1(1805) 2 7 5 (4) 15(1.5)0(44.3) 6 (9)(11) 1(12) 4(8) 1 1 () () (1)10(3.75) 2 3
4、 1 () 12 (16)1050 7 1 1 ( )( )(2) 1(1918) 2 2 11 (8) 9(6.7)0(58.4) 12 (6)(20) 8(6) 8(14) 1 1 () () (6)2(1.75) 6 5 1 () 20 (16)412.5 4 9 8 ( )( )(8) 0(2909) 8 7 11 (16) 1(2.3)0(52.1) 12 (6)(17) 3(11) 10(20) 1 1 () () (10)12(0.5) 5 6 1 () 8 (16)10250 3 1 1 ( )( )(9) -1(2951) 7 5 1 (20) 6(4.9)0(18.6) 1
5、0 (7)(10) 5(6) 9.5(17) 1 1 () () (8)20(1.5) 3 8 1 () 14 (20)1812.5 8 1 6 ( )( )(6) 0(2221) 3 5 7 (16) 13.5(6.1)0(62.4) 8 (2)(19) 3(12) 0.5(4) 1 1 () () (8)8(4) 3 9 1 () 14 (8)40.05 5 5 1 ( )( )(7) 0(1615) 4 7 17 (16) 12(2.2)0(34.2) 18 (3)(17) 2(3) 5.5(1) 1 1 () () (6)14(5) 5 2 1 () 14 (16)18125 3 8
6、8 ( )( )(2) 0(1476) 7 7 17 (10) 9(8.3)0(27.3) 18 (6)(16) 10(14) 1(13) 1 1 () () (2)10(5) 3 8 1 () 12 (12)20125 7 1 3 ( )( )(3) 1(1635) 2 2 17 (10) 10(5.5)0(10.3) 18 (3)(6) 7(3) 3.5(14) 1 1 () () (9)2(3.75) 4 9 1 () 8 (12)1212.5 7 6 4 ( )( )(4) 0(2136) 5 3 11 (18) 13(3.1)0(68.3) 12 (1)(15) 1(16) 6.5(
7、11) 1 1 () () (5)6(4) 3 7 1 () 12 (8)180.125 7 8 1 ( )( )(4) 0(1105) 7 6 11 (14) 19(8.3)0(84.9) 10 (4)(7) 3(7) 4(3) 1 1 () () (8)20(2.5) 5 8 1 () 18 (12)20.125 7 7 1 ( )( )(5) 1(2322) 6 6 7 (10) 7.5(2.4)0(97.9) 8 (7)(18) 2(3) 3.5(19) 1 1 () () (7)8(3) 4 5 1 () 8 (8)25 3 9 3 ( )( )(10) 1(2763) 8 2 17
8、 (2) 10(4.8)0(93.2) 16 (10)(15) 3(3) 0.5(20) 1 1 () () (9)10(3.5) 7 9 1 () 18 (12)16125 5 9 1 ( )( )(8) -1(1575) 8 2 11 (4) 1(3.7)0(13.6) 12 (5)(10) 6(6) 1.5(1) 1 1 () () (4)14(4.5) 7 5 1 () 12 (4)1612.5 4 1 1 ( )( )(4) 1(1527) 2 6 1 (20) 2(4.3)0(70) 2 (6)(8) 9(7) 2.5(4) 1 1 () () (9)8(2.25) 4 8 1 () 16 (16)60.05 4 1 5 ( )( )(6) 0(1448) 5 4 11 (12) 5(1)0(58.8) 12 (5)(6) 5(3) 7(10) 1 1 () () (6)6(1.25) 3 3 1 () 14 (20)18125 3 6 4 ( )( )(6) -1(2041) 5 3 1 (20) 5.5(0.6)0(38) 12 (6)(8) 2(8) 2.5(4) 1 1 () () (9)10(1.75) 3 3
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