1、有理数计算题专项练习 108 1 () 10 (20)6125 3 1 3 ( )( )(5) -1(1263) 5 2 15 (4) 15.5(3.7)0(92.7) 16 (4)(9) 8(2) 2.5(7) 1 1 () () (1)18(4) 7 7 1 () 20 (4)141.25 7 8 8 ( )( )(10) 1(1346) 7 7 1 (10) 11(0.4)0(58) 12 (5)(4) 4(16) 4.5(13) 1 1 () () (6)10(0.5) 7 4 1 () 14 (16)625 6 1 6 ( )( )(2) 1(1692) 5 5 1 (6) 5(0.
2、3)0(59.3) 8 (5)(13) 7(13) 3(5) 1 1 () () (8)2(4.25) 3 9 1 () 14 (8)200.05 5 1 1 ( )( )(10) 0(2443) 2 6 13 (10) 15.5(7.4)0(93.5) 14 (2)(15) 6(17) 9(7) 1 1 () () (7)20(2.75) 2 3 1 () 18 (20)825 2 1 4 ( )( )(5) 1(1636) 7 3 7 (16) 17(1.1)0(70.4) 8 (2)(18) 10(17) 3(18) 1 1 () () (9)14(1.25) 8 7 1 () 8 (4
3、)180.5 5 6 1 ( )( )(5) -1(2206) 5 8 13 (4) 17(0.5)0(50.7) 12 (4)(16) 7(8) 4.5(16) 1 1 () () (4)16(4.5) 7 5 1 () 20 (8)4125 4 1 8 ( )( )(7) 0(2168) 4 7 15 (8) 14.5(7.9)0(84.8) 14 (5)(8) 1(2) 8(6) 1 1 () () (8)6(1.25) 7 8 1 () 16 (12)1050 6 1 1 ( )( )(6) 1(2413) 3 7 9 (14) 15.5(8.5)0(52.3) 8 (5)(10) 4
4、(13) 10(7) 1 1 () () (5)16(2.25) 8 7 1 () 14 (4)20125 6 6 7 ( )( )(3) 1(2461) 5 6 1 (20) 5(1.4)0(80) 12 (1)(6) 3(16) 7(4) 1 1 () () (4)8(1.75) 7 7 1 () 6 (12)60.05 3 1 7 ( )( )(5) -1(1491) 2 6 21 (4) 12.5(3.2)0(51.1) 20 (4)(20) 7(5) 9(14) 1 1 () () (7)14(3.75) 3 2 1 () 20 (16)212.5 6 3 7 ( )( )(2) 0
5、(1459) 2 6 1 (16) 10.5(5.5)0(54.6) 2 (3)(13) 2(20) 5.5(10) 1 1 () () (6)14(0.75) 7 5 1 () 18 (12)140.25 7 1 1 ( )( )(10) -1(1051) 6 5 1 (6) 6.5(5.3)0(74.7) 8 (3)(4) 6(18) 10(15) 1 1 () () (8)16(0.25) 2 8 1 () 14 (4)182.5 2 4 4 ( )( )(3) 0(2980) 3 3 3 (14) 7.5(2)0(87.7) 2 (3)(19) 8(7) 9(16) 1 1 () ()
6、 (1)4(2.75) 3 6 1 () 4 (16)165 3 1 7 ( )( )(9) 1(1810) 6 6 9 (4) 3.5(6.7)0(68) 10 (3)(3) 4(6) 4.5(8) 1 1 () () (3)14(0.5) 8 2 1 () 18 (8)12125 6 1 1 ( )( )(10) 1(1773) 7 7 3 (8) 1.5(2.1)0(46) 4 (5)(7) 10(9) 9.5(4) 1 1 () () (2)14(1.25) 4 8 1 () 4 (8)1650 8 1 7 ( )( )(4) 0(1724) 4 6 1 (18) 19.5(1.5)0
7、(76.4) 12 (3)(17) 4(10) 9(16) 1 1 () () (1)6(1.5) 4 2 1 () 6 (12)80.5 2 1 3 ( )( )(8) 1(1196) 7 2 11 (2) 5.5(2)0(37.6) 10 (3)(14) 1(19) 1.5(20) 1 1 () () (6)16(1) 2 7 1 () 6 (4)162.5 2 1 8 ( )( )(6) 1(1506) 7 7 19 (20) 11.5(0.8)0(51.6) 18 (2)(9) 10(5) 7(8) 1 1 () () (7)2(4.5) 3 9 1 () 18 (4)201.25 3
8、 3 3 ( )( )(2) -1(1855) 2 2 11 (8) 16(1.3)0(63.6) 10 (2)(20) 5(11) 5.5(11) 1 1 () () (7)8(3.5) 6 3 1 () 12 (20)140.125 4 9 1 ( )( )(9) -1(1439) 8 4 7 (14) 17(6.3)0(71.5) 8 (3)(7) 6(18) 0.5(12) 1 1 () () (1)12(1.25) 4 3 1 () 8 (20)6125 2 1 5 ( )( )(2) -1(2324) 6 4 5 (12) 3.5(1.3)0(83.4) 4 (6)(9) 2(20) 4.5(19) 1 1 () () (7)6(2.25) 2 3 1 () 16 (20)2250 3 7 1 ( )( )(5) 1(2408) 6 8 13 (14) 13.5(4.7)0(13.9) 14 (5)(2) 10(4) 4(20) 1 1 () () (7)18(2.25) 2 5 1 () 14 (12)12250 3 6 1 ( )( )(4) 0(1452) 5 7 19 (4) 4(4.6)0(49.6) 18 (8)(6) 5(15) 5.5(12)