1、有理数计算题专项练习 80(2)(15) 7(3) 4.5(17) 1 1 () () (3)16(3.75) 2 7 1 () 16 (20)12125 6 1 8 ( )( )(6) 0(1128) 6 7 11 (8) 16.5(4.3)0(59.8) 10 (5)(6) 7(20) 3(4) 1 1 () () (9)4(1.5) 4 4 1 () 14 (16)40.5 2 7 1 ( )( )(4) 0(2188) 6 3 5 (14) 18.5(6.4)0(98.1) 4 (6)(17) 8(14) 4.5(16) 1 1 () () (2)10(5) 4 5 1 () 18 (
2、16)20.05 4 8 3 ( )( )(4) 1(1897) 7 2 9 (20) 17(1.2)0(25.3) 8 (6)(2) 3(9) 3.5(10) 1 1 () () (5)20(3.5) 8 6 1 () 6 (20)81.25 3 1 1 ( )( )(8) -1(1775) 2 6 19 (16) 8(2.3)0(91.1) 20 (1)(14) 8(12) 9.5(13) 1 1 () () (6)14(3) 5 7 1 () 16 (8)14125 6 1 4 ( )( )(2) -1(1230) 5 3 1 (14) 14.5(3.5)0(65.1) 16 (1)(1
3、0) 6(7) 8(13) 1 1 () () (8)2(4) 3 9 1 () 16 (16)105 5 1 1 ( )( )(3) 1(2623) 2 8 9 (10) 8.5(4.9)0(52.3) 10 (8)(20) 2(18) 8(18) 1 1 () () (9)6(0.5) 2 8 1 () 6 (8)200.25 2 8 9 ( )( )(9) 0(1099) 7 8 15 (10) 2(1.8)0(97.3) 14 (10)(16) 10(16) 10(2) 1 1 () () (2)6(1.5) 2 7 1 () 2 (8)100.5 5 9 1 ( )( )(5) 1(
4、2398) 8 6 15 (12) 4.5(0.3)0(45) 14 (9)(16) 5(11) 2(20) 1 1 () () (4)2(1.75) 8 2 1 () 18 (8)140.5 3 9 1 ( )( )(7) 0(2994) 8 4 7 (6) 0.5(4)0(14) 6 (10)(4) 10(14) 7(3) 1 1 () () (4)4(1.75) 8 4 1 () 18 (4)200.25 8 6 1 ( )( )(4) -1(1312) 5 4 5 (2) 9.5(7)0(69.7) 4 (3)(6) 10(19) 8(16) 1 1 () () (2)2(2.75)
5、2 3 1 () 14 (8)180.05 2 9 6 ( )( )(4) -1(1604) 8 5 17 (20) 4.5(5.4)0(12.8) 16 (9)(7) 7(10) 2(18) 1 1 () () (10)18(0.5) 4 9 1 () 8 (12)81.25 7 1 1 ( )( )(8) 1(1295) 2 2 1 (14) 15(1.4)0(34.6) 20 (8)(20) 2(5) 7.5(2) 1 1 () () (7)16(3.75) 3 8 1 () 18 (16)161.25 2 5 1 ( )( )(6) 0(2910) 4 6 1 (20) 12.5(5.
6、6)0(69) 2 (5)(14) 10(9) 9(15) 1 1 () () (4)6(3.75) 6 9 1 () 12 (8)1450 2 1 1 ( )( )(2) -1(1414) 7 3 5 (6) 8(7.8)0(76.1) 6 (10)(19) 7(8) 10(5) 1 1 () () (8)10(0.75) 2 8 1 () 14 (4)41.25 7 1 9 ( )( )(9) -1(2928) 4 8 1 (4) 9(9.8)0(11.8) 18 (7)(19) 9(6) 4(4) 1 1 () () (4)18(3.75) 3 7 1 () 20 (4)120.25 5
7、 1 5 ( )( )(2) 0(2272) 3 4 3 (20) 4.5(1.4)0(69.8) 4 (5)(9) 8(12) 2(8) 1 1 () () (1)20(3.5) 5 9 1 () 8 (20)61.25 4 4 1 ( )( )(2) 1(1561) 3 4 7 (12) 18(8.7)0(90.9) 8 (10)(3) 10(18) 0.5(3) 1 1 () () (6)18(3.75) 5 7 1 () 14 (8)40.125 3 9 1 ( )( )(7) 1(1791) 8 2 13 (2) 1(1.5)0(36) 12 (7)(3) 7(15) 10(20)
8、1 1 () () (10)2(2) 4 7 1 () 18 (8)60.125 3 9 1 ( )( )(9) 0(2413) 8 5 21 (16) 2.5(8.7)0(30.8) 20 (5)(9) 5(7) 8.5(7) 1 1 () () (7)4(1.5) 4 4 1 () 14 (16)2025 3 1 1 ( )( )(3) -1(2720) 8 4 19 (18) 12.5(9.2)0(72.6) 18 (8)(15) 7(5) 5(11) 1 1 () () (9)20(2) 8 6 1 () 12 (8)6125 5 1 6 ( )( )(6) 0(1208) 3 5 1 (16) 3(1.3)0(76.4) 14 (2)(1) 6(11) 4(6) 1 1 () () (3)8(3.5) 7 8 1 () 16 (16)21.25 4 1 1 ( )( )(5) 0(1634) 2 5 3 (14) 17.5(1.3)0(63.6) 2 (5)(3) 8(10) 7(7) 1 1 () () (4)16(3.75) 5 4 1 () 8 (4)61.25 6 4 6 ( )( )(5) -1(1301) 3 5