1、有理数计算题专项练习 63 1 () 4 (8)20.05 6 1 7 ( )( )(7) 0(2688) 3 6 3 (4) 17(7.9)0(90.3) 2 (8)(5) 7(3) 4(17) 1 1 () () (4)10(2) 8 7 1 () 4 (20)1450 5 1 3 ( )( )(5) -1(2539) 8 2 3 (12) 2(8.6)0(20.2) 4 (2)(1) 6(8) 4.5(11) 1 1 () () (9)4(1) 4 2 1 () 20 (8)41.25 2 8 1 ( )( )(2) -1(1711) 7 5 1 (2) 6.5(5.5)0(72.7)
2、8 (10)(1) 10(3) 5(12) 1 1 () () (1)4(2.75) 7 6 1 () 4 (8)12125 7 1 1 ( )( )(3) 0(1807) 5 4 1 (12) 13.5(4.1)0(82.3) 2 (2)(6) 2(20) 3(19) 1 1 () () (9)18(3.5) 7 4 1 () 14 (20)181.25 6 1 1 ( )( )(2) 0(1220) 4 3 1 (10) 2(8.9)0(46.4) 8 (2)(17) 2(11) 9(10) 1 1 () () (3)20(1.5) 3 7 1 () 6 (4)1612.5 5 6 1 (
3、 )( )(8) -1(2198) 5 3 1 (14) 4.5(6.5)0(82.4) 2 (7)(11) 2(2) 7.5(18) 1 1 () () (5)20(4.25) 6 5 1 () 8 (8)1425 6 1 6 ( )( )(10) 0(1170) 2 5 9 (20) 14.5(5.8)0(84.5) 8 (9)(16) 3(17) 1(15) 1 1 () () (1)18(4) 8 6 1 () 18 (4)8125 3 5 1 ( )( )(4) 1(2134) 4 8 7 (12) 8(4.6)0(75) 6 (7)(8) 5(20) 5(3) 1 1 () ()
4、(10)16(2.25) 8 6 1 () 10 (8)425 8 6 7 ( )( )(5) 0(1093) 5 6 5 (8) 6.5(8.5)0(59.6) 6 (6)(9) 1(18) 10(9) 1 1 () () (7)8(2.5) 5 3 1 () 12 (16)45 3 1 1 ( )( )(2) 1(2943) 5 7 1 (10) 3.5(6.8)0(74.3) 18 (4)(18) 6(8) 7(6) 1 1 () () (2)2(1) 2 7 1 () 2 (16)850 7 1 7 ( )( )(6) 1(2880) 6 6 9 (6) 5.5(2.7)0(93.3)
5、 10 (6)(9) 8(11) 6.5(20) 1 1 () () (5)20(2.75) 3 7 1 () 20 (20)61.25 2 7 1 ( )( )(9) -1(1457) 6 4 19 (20) 17(7.2)0(64.9) 18 (6)(4) 1(8) 6.5(16) 1 1 () () (6)8(1.75) 6 7 1 () 2 (12)60.125 3 1 3 ( )( )(9) 1(2452) 3 2 3 (6) 14.5(3.2)0(18.9) 4 (5)(20) 5(5) 5(19) 1 1 () () (1)4(0.5) 5 3 1 () 14 (8)812.5
6、2 1 1 ( )( )(10) 0(1102) 5 3 7 (6) 10.5(7)0(33.5) 8 (8)(11) 6(1) 1.5(16) 1 1 () () (9)18(2.25) 4 6 1 () 18 (12)121.25 2 1 9 ( )( )(9) -1(2776) 4 8 1 (14) 3(5.7)0(73.4) 12 (7)(4) 4(20) 7(13) 1 1 () () (7)10(2.5) 3 5 1 () 16 (12)40.05 8 1 1 ( )( )(2) -1(2301) 2 3 7 (14) 14(8.5)0(28.3) 8 (5)(8) 1(19) 1
7、0(11) 1 1 () () (6)14(2) 6 3 1 () 10 (16)2012.5 3 1 1 ( )( )(8) 0(1214) 7 4 17 (20) 17(4.5)0(70.2) 18 (7)(6) 3(1) 3.5(18) 1 1 () () (3)16(2) 5 4 1 () 8 (8)1650 2 1 1 ( )( )(2) -1(2689) 5 6 1 (12) 20(4.9)0(79.9) 2 (8)(4) 6(19) 2.5(12) 1 1 () () (7)2(0.5) 8 6 1 () 4 (4)105 5 9 1 ( )( )(10) -1(2881) 8
8、8 1 (20) 14(1.5)0(13) 20 (7)(1) 3(12) 10(17) 1 1 () () (9)20(1.25) 7 3 1 () 12 (16)65 8 3 8 ( )( )(7) 1(1347) 2 7 15 (12) 11(8.3)0(71.9) 14 (8)(16) 4(14) 4.5(12) 1 1 () () (10)16(0.5) 3 7 1 () 16 (4)80.125 2 1 1 ( )( )(2) 0(1666) 4 5 7 (6) 5(5.3)0(89.6) 6 (1)(3) 9(4) 1(9) 1 1 () () (9)12(1.5) 5 8 1 () 14 (12)850 5 1 1 ( )( )(8) -1(1113) 3 7 7 (14) 1(1.2)0(11.3) 8 (10)(6) 1(7) 9.5(13) 1 1 () () (1)6(2) 2 3 1 () 14 (20)100.25 5 1 8 ( )( )(7) -1(1339) 8 7 5 (16) 8(5.4)0(26.9) 4 (9)(12) 4(18) 3.5(10)