1、有理数计算题专项练习 10(9)(2) 5(10) 8(3) 1 1 () () (5)20(4.25) 8 8 1 () 12 (12)165 7 5 6 ( )( )(4) -1(1648) 4 5 1 (8) 6(0.5)0(86.9) 20 (8)(11) 8(7) 8.5(5) 1 1 () () (1)14(4.25) 6 5 1 () 12 (12)1250 7 1 1 ( )( )(7) 0(1314) 5 2 13 (6) 18(0.6)0(39.6) 12 (5)(17) 10(3) 9(17) 1 1 () () (3)2(3) 3 4 1 () 18 (12)18125
2、 4 7 1 ( )( )(3) 0(1181) 6 8 13 (14) 12(8.5)0(85.8) 14 (4)(6) 6(14) 3.5(15) 1 1 () () (10)8(4.25) 3 8 1 () 12 (8)120.125 3 1 3 ( )( )(5) 1(2650) 5 2 1 (2) 6(0.7)0(36.7) 14 (8)(12) 7(13) 6.5(5) 1 1 () () (7)14(4.5) 6 2 1 () 20 (8)122.5 2 4 1 ( )( )(6) -1(2925) 3 3 19 (20) 10(1.4)0(90.7) 20 (5)(1) 7(1
3、8) 8(19) 1 1 () () (1)6(2.75) 8 5 1 () 4 (16)81.25 4 1 3 ( )( )(8) 1(2082) 4 2 9 (14) 17.5(2.1)0(53.9) 8 (8)(5) 10(7) 4.5(11) 1 1 () () (2)14(1.25) 4 6 1 () 14 (12)140.125 5 1 1 ( )( )(7) -1(1147) 7 6 1 (12) 20(9.4)0(78.5) 6 (4)(15) 1(3) 2.5(5) 1 1 () () (4)20(3) 7 6 1 () 4 (16)20125 8 1 5 ( )( )(5)
4、 -1(2408) 5 4 9 (4) 20(3.2)0(93.4) 10 (6)(5) 5(13) 8.5(11) 1 1 () () (6)18(0.25) 5 3 1 () 4 (16)1025 3 6 1 ( )( )(3) -1(2756) 5 6 5 (2) 4(0.8)0(70.5) 6 (4)(4) 4(4) 1.5(11) 1 1 () () (5)12(0.5) 7 2 1 () 2 (8)10125 3 1 1 ( )( )(4) -1(2688) 3 2 15 (20) 8(0.5)0(57.5) 16 (1)(9) 8(8) 9(15) 1 1 () () (3)6(
5、4) 7 3 1 () 12 (20)142.5 4 1 7 ( )( )(8) 0(1355) 3 6 1 (14) 13(4.2)0(47.2) 16 (4)(19) 4(7) 3.5(15) 1 1 () () (5)18(1) 5 8 1 () 12 (20)200.125 4 9 1 ( )( )(10) 0(1456) 8 3 5 (6) 6(4.1)0(98) 4 (5)(1) 4(11) 10(15) 1 1 () () (6)12(3.75) 2 9 1 () 4 (4)1025 3 4 1 ( )( )(2) 0(2674) 3 8 9 (6) 18.5(2.2)0(52)
6、 10 (9)(15) 3(19) 6(17) 1 1 () () (7)8(2.25) 5 4 1 () 16 (20)1012.5 8 6 7 ( )( )(2) 0(2987) 5 6 3 (20) 4.5(2.2)0(49.3) 4 (7)(14) 6(20) 2(14) 1 1 () () (1)12(0.75) 4 5 1 () 8 (16)4250 8 1 9 ( )( )(2) -1(2173) 8 8 1 (10) 15(9.6)0(45.6) 14 (9)(11) 9(5) 7(17) 1 1 () () (7)16(2.5) 3 7 1 () 18 (20)1450 5
7、1 1 ( )( )(8) -1(1190) 5 3 1 (12) 3.5(9.4)0(95.9) 20 (3)(12) 6(4) 3(9) 1 1 () () (7)12(4) 4 7 1 () 4 (16)101.25 8 1 5 ( )( )(7) 1(1870) 2 4 7 (16) 12.5(6.5)0(77.5) 8 (8)(2) 10(20) 8.5(15) 1 1 () () (9)14(3.75) 6 5 1 () 20 (12)450 4 8 1 ( )( )(6) -1(1131) 7 2 9 (16) 9(9)0(73.8) 8 (3)(10) 2(15) 7.5(18
8、) 1 1 () () (9)8(1.5) 3 2 1 () 18 (8)181.25 5 1 1 ( )( )(3) 1(2875) 4 8 13 (4) 20(6.9)0(15.5) 14 (3)(16) 8(3) 3.5(19) 1 1 () () (2)20(4.5) 2 8 1 () 18 (20)160.25 7 1 8 ( )( )(8) -1(2859) 6 7 11 (4) 15.5(3.9)0(19.8) 10 (8)(20) 8(12) 3.5(2) 1 1 () () (6)12(3) 4 9 1 () 20 (4)80.05 5 7 1 ( )( )(2) 1(1700) 6 3 1 (8) 5.5(5.1)0(63.6) 18 (6)(19) 6(3) 1.5(1) 1 1 () () (9)4(4) 4 6 1 () 14 (20)125 5 5 1 ( )( )(5) 0(1905) 4 4 19 (16) 11(1.3)0(12.1) 20 (3)(1) 1(13) 9(19) 1 1 () () (10)20(2.75) 2 2 1 () 8 (4)1012.5 2 1 1 ( )( )(6) -1(1859) 5 4