1、有理数计算题专项练习 10617 (12) 20(9.7)0(53.9) 18 (2)(7) 2(18) 9.5(11) 1 1 () () (9)14(3.5) 4 7 1 () 14 (20)18250 6 1 1 ( )( )(8) -1(2666) 5 6 1 (2) 8.5(2)0(22.6) 18 (1)(8) 7(20) 2(4) 1 1 () () (2)2(3.25) 6 3 1 () 4 (8)141.25 4 4 5 ( )( )(3) -1(2129) 3 4 1 (10) 3(1.2)0(14.6) 6 (6)(14) 2(17) 1(18) 1 1 () () (6
2、)12(0.5) 7 3 1 () 10 (8)80.5 2 7 1 ( )( )(7) -1(2225) 6 6 1 (8) 5(6.9)0(44.6) 20 (5)(5) 4(8) 5(19) 1 1 () () (5)12(4.75) 4 2 1 () 8 (8)1650 6 1 4 ( )( )(7) 1(2048) 7 3 1 (20) 15(3.7)0(37.6) 12 (3)(8) 3(5) 7(17) 1 1 () () (10)6(2.75) 2 6 1 () 2 (8)185 7 1 6 ( )( )(10) 0(2761) 6 5 3 (6) 0.5(1.1)0(52.9
3、) 4 (8)(8) 3(11) 7.5(4) 1 1 () () (6)12(4.75) 4 9 1 () 2 (4)160.05 6 5 6 ( )( )(7) 0(1819) 4 5 15 (4) 5(2)0(39.1) 16 (5)(6) 4(13) 7.5(7) 1 1 () () (8)8(4.5) 2 4 1 () 20 (12)16250 2 6 1 ( )( )(8) 1(2594) 5 4 1 (8) 6(2.6)0(39) 18 (6)(5) 1(6) 6.5(14) 1 1 () () (9)6(1) 4 3 1 () 8 (20)2050 2 8 1 ( )( )(8
4、) 1(2098) 7 5 11 (10) 3(4.2)0(89.4) 10 (6)(3) 8(20) 9.5(5) 1 1 () () (3)10(1.5) 7 7 1 () 4 (12)16250 5 1 1 ( )( )(10) -1(2146) 6 7 1 (16) 3(6.4)0(90) 6 (2)(11) 7(3) 3(6) 1 1 () () (8)10(4.5) 8 5 1 () 6 (16)140.125 6 6 7 ( )( )(3) -1(2557) 5 6 11 (2) 20(8.3)0(59) 10 (4)(9) 10(17) 4.5(8) 1 1 () () (1)
5、12(1.5) 3 9 1 () 18 (16)20125 6 3 3 ( )( )(5) 1(1994) 2 2 19 (6) 14(1.1)0(47.9) 18 (10)(10) 3(5) 1(3) 1 1 () () (1)16(3.25) 2 6 1 () 18 (4)162.5 4 7 8 ( )( )(9) -1(2450) 6 7 19 (20) 15.5(2.5)0(39.4) 20 (8)(2) 3(12) 7.5(10) 1 1 () () (10)10(1.25) 5 9 1 () 14 (16)650 6 1 1 ( )( )(7) 1(1176) 6 6 11 (18
6、) 12(8.9)0(80.2) 10 (10)(2) 4(3) 8(1) 1 1 () () (3)6(0.25) 5 4 1 () 16 (16)212.5 4 3 1 ( )( )(7) 0(2964) 2 2 1 (14) 20(1.5)0(19.1) 14 (2)(6) 2(4) 6.5(20) 1 1 () () (5)8(3) 3 5 1 () 12 (20)40.05 2 1 5 ( )( )(7) -1(2538) 4 4 1 (16) 3.5(0.9)0(76.7) 20 (8)(20) 9(3) 6(1) 1 1 () () (10)10(0.75) 2 4 1 () 1
7、8 (20)650 4 5 7 ( )( )(5) 0(1694) 4 6 11 (8) 16.5(0.6)0(55.7) 12 (3)(10) 9(6) 9.5(8) 1 1 () () (10)2(3.5) 3 8 1 () 4 (4)200.125 7 5 1 ( )( )(2) 1(2573) 4 2 3 (10) 8.5(6.9)0(39.4) 4 (5)(7) 8(10) 1(7) 1 1 () () (8)20(4) 2 4 1 () 16 (8)18125 2 1 5 ( )( )(3) -1(1006) 8 4 15 (14) 16.5(0.2)0(80) 16 (3)(18
8、) 9(4) 10(8) 1 1 () () (5)18(3.25) 7 3 1 () 8 (16)65 3 1 1 ( )( )(9) -1(2897) 2 3 1 (14) 11(7.8)0(92.2) 18 (10)(2) 10(17) 6(18) 1 1 () () (2)4(4.5) 3 7 1 () 10 (16)122.5 7 1 1 ( )( )(5) -1(1372) 5 5 13 (16) 13.5(2.7)0(83.1) 12 (4)(10) 3(11) 8.5(19) 1 1 () () (7)8(2.25) 7 2 1 () 6 (4)4125 5 5 6 ( )( )(4) 0(1623) 4 5 5 (14) 9.5(8.8)0(25.5) 6 (4)(13) 5(13) 8(13) 1 1 () () (10)6(0.5) 7 2 1 () 14 (12)18125 4 7 6 ( )( )(4) 0(1462) 6 5 1 (12) 17.5(4.2)0(23.5) 2 (6)(16) 10(6) 10(8) 1 1 () () (1)14(3.5) 8 9 1 () 2 (12)100.5 5