1、有理数计算题专项练习 112 1 1 ( )( )(6) -1(2029) 2 8 15 (14) 16.5(0.3)0(87.8) 16 (5)(7) 9(5) 4(7) 1 1 () () (1)18(1.5) 3 2 1 () 12 (4)85 5 1 5 ( )( )(5) 0(1182) 2 4 21 (18) 1.5(4.6)0(44.9) 20 (3)(4) 8(4) 5.5(12) 1 1 () () (1)18(4.25) 6 2 1 () 4 (16)101.25 5 8 1 ( )( )(3) 0(2630) 7 3 1 (10) 5(2.4)0(13.4) 4 (5)(
2、13) 8(6) 8(9) 1 1 () () (6)18(0.5) 6 3 1 () 4 (4)22.5 6 6 4 ( )( )(2) 1(1049) 5 3 13 (20) 7(1.5)0(81.8) 12 (7)(9) 7(18) 7.5(1) 1 1 () () (4)4(1) 2 5 1 () 4 (12)181.25 6 1 1 ( )( )(10) 1(1841) 8 3 7 (6) 14.5(3.8)0(44.7) 6 (3)(13) 2(3) 4.5(1) 1 1 () () (9)14(4.75) 5 8 1 () 4 (4)25 8 7 6 ( )( )(7) 1(19
3、08) 6 5 21 (6) 16(3.7)0(54.7) 20 (7)(6) 5(12) 1(16) 1 1 () () (7)8(3) 8 6 1 () 8 (20)105 3 1 7 ( )( )(2) 0(2124) 8 6 1 (10) 11(6.8)0(88.5) 8 (4)(1) 8(9) 7.5(20) 1 1 () () (1)14(1) 2 5 1 () 14 (12)2012.5 3 4 1 ( )( )(5) 1(2057) 3 4 1 (6) 7(5.6)0(25.8) 14 (6)(10) 10(15) 2(7) 1 1 () () (3)2(3) 4 7 1 ()
4、 16 (8)14125 6 4 3 ( )( )(10) 1(2077) 3 2 17 (20) 11.5(5.3)0(67.7) 16 (8)(3) 3(5) 5(17) 1 1 () () (1)14(5) 8 5 1 () 12 (16)825 5 9 1 ( )( )(5) 1(1570) 8 7 17 (14) 8.5(7.8)0(61.8) 18 (3)(2) 6(19) 1.5(7) 1 1 () () (6)8(4.75) 6 9 1 () 8 (20)20125 2 1 4 ( )( )(7) 1(2809) 4 3 5 (18) 9.5(0.8)0(33.4) 4 (2)
5、(7) 2(4) 8(11) 1 1 () () (9)12(4.75) 4 7 1 () 16 (12)14250 7 4 1 ( )( )(9) -1(1713) 3 3 11 (14) 12.5(8.4)0(76.3) 12 (10)(11) 5(6) 5(2) 1 1 () () (6)8(0.75) 4 6 1 () 16 (4)140.5 8 5 1 ( )( )(9) -1(2128) 4 6 1 (16) 16(6.3)0(62.2) 2 (9)(2) 8(15) 2.5(13) 1 1 () () (3)10(1) 7 3 1 () 4 (12)1650 5 4 4 ( )(
6、 )(4) 0(2394) 3 3 9 (18) 8(1.2)0(91.4) 8 (1)(6) 10(11) 9(2) 1 1 () () (8)8(5) 4 3 1 () 4 (16)4250 4 6 1 ( )( )(9) 1(1338) 5 5 7 (16) 11.5(3.4)0(44.4) 8 (1)(2) 9(19) 7.5(15) 1 1 () () (10)14(1) 7 2 1 () 14 (4)180.5 8 3 1 ( )( )(7) 1(2164) 2 2 1 (20) 1(4.6)0(29.9) 2 (8)(9) 1(12) 2(9) 1 1 () () (5)18(2
7、.75) 6 6 1 () 18 (16)142.5 3 1 3 ( )( )(6) 1(1516) 5 2 19 (6) 15.5(0.5)0(14.8) 18 (2)(18) 3(13) 5.5(1) 1 1 () () (9)20(0.25) 5 9 1 () 20 (4)6125 8 1 1 ( )( )(8) 0(1125) 3 3 13 (4) 10.5(5.7)0(76.6) 12 (1)(13) 2(10) 7(19) 1 1 () () (10)18(0.25) 8 6 1 () 16 (4)18125 7 5 1 ( )( )(7) 0(2841) 4 4 21 (12)
8、1(8.5)0(20.3) 20 (9)(5) 8(1) 3.5(7) 1 1 () () (3)18(3.25) 6 5 1 () 8 (8)1612.5 5 1 1 ( )( )(10) 1(2937) 4 8 7 (14) 10(9.2)0(84.8) 6 (3)(18) 3(14) 3.5(7) 1 1 () () (7)2(4) 3 4 1 () 8 (20)450 5 4 1 ( )( )(4) 1(1665) 3 4 13 (2) 13.5(8.6)0(52.6) 12 (3)(20) 4(9) 10(5) 1 1 () () (2)12(4.75) 7 4 1 () 4 (20)165 3 3 4 ( )( )(8) 1(1144) 2 3 19 (16) 19.5(4.1)0(43) 18 (7)(6) 10(12) 6.5(3) 1 1 () () (6)14(1) 4 7 1 () 6 (8)25 3 3 9 ( )( )(10) 1(2508) 2 8 5 (4) 18.5(5.7)0(95.1) 6 (2)(9) 6(13) 8.5(10) 1 1 () () (8)8(4) 3 5
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