1、有理数计算题专项练习 761 (16) 11(5.2)0(75.7) 4 (3)(7) 10(1) 8(4) 1 1 () () (5)4(0.25) 4 6 1 () 6 (12)180.05 5 9 9 ( )( )(7) -1(2787) 8 8 1 (12) 16.5(8.3)0(89) 10 (2)(10) 6(6) 7(12) 1 1 () () (5)4(0.25) 3 9 1 () 10 (12)120.25 6 1 1 ( )( )(7) -1(1528) 5 7 1 (20) 8.5(6)0(50.1) 2 (8)(18) 9(18) 9.5(2) 1 1 () () (7
2、)18(1.5) 7 6 1 () 2 (12)85 5 1 1 ( )( )(4) -1(2106) 5 7 19 (8) 12(3.8)0(89.3) 20 (9)(16) 10(6) 4(19) 1 1 () () (10)16(1.5) 8 4 1 () 12 (12)200.05 2 4 1 ( )( )(7) -1(2951) 3 2 1 (10) 10(4.6)0(10.2) 8 (7)(19) 7(3) 1.5(13) 1 1 () () (1)20(0.5) 5 3 1 () 6 (16)16125 2 7 1 ( )( )(5) -1(1570) 6 2 19 (12) 9
3、.5(8.9)0(78.2) 20 (4)(8) 4(18) 5.5(16) 1 1 () () (4)4(1.75) 6 9 1 () 2 (20)2050 3 1 4 ( )( )(6) 1(1397) 2 3 21 (20) 1(2.1)0(75.1) 20 (10)(9) 1(20) 6(3) 1 1 () () (7)2(5) 6 7 1 () 14 (12)1412.5 4 1 1 ( )( )(4) -1(2810) 2 2 3 (18) 2.5(4.2)0(36.4) 4 (7)(6) 9(2) 4.5(20) 1 1 () () (7)20(2.25) 2 3 1 () 4
4、(4)1812.5 7 5 6 ( )( )(9) 0(2431) 4 5 11 (2) 10.5(9.1)0(13.3) 12 (1)(3) 8(3) 6.5(9) 1 1 () () (5)8(4.5) 3 8 1 () 18 (16)20.125 7 5 9 ( )( )(8) -1(2569) 4 8 9 (10) 1(0.3)0(72.1) 10 (10)(2) 2(12) 5.5(8) 1 1 () () (7)20(1) 6 7 1 () 18 (20)16250 2 1 1 ( )( )(7) 0(2954) 2 4 1 (10) 8(1.2)0(32.8) 8 (8)(9)
5、10(3) 5.5(17) 1 1 () () (6)14(4.75) 5 9 1 () 8 (8)140.05 2 6 1 ( )( )(9) -1(2987) 5 6 9 (2) 3(5)0(76.4) 8 (5)(15) 10(7) 8(8) 1 1 () () (7)6(0.5) 2 9 1 () 18 (12)65 5 1 1 ( )( )(2) 0(1155) 8 4 7 (2) 16.5(3.1)0(99.3) 8 (2)(2) 3(2) 9.5(11) 1 1 () () (3)2(1.25) 6 5 1 () 6 (16)65 7 6 5 ( )( )(10) 0(1981)
6、 5 4 1 (16) 6(3)0(39) 8 (10)(7) 2(12) 8(11) 1 1 () () (10)10(5) 4 4 1 () 6 (20)14125 8 5 1 ( )( )(4) 0(1524) 4 6 1 (12) 13(4.2)0(11.8) 10 (8)(18) 7(19) 9.5(17) 1 1 () () (3)12(1.25) 8 5 1 () 20 (20)160.5 2 4 9 ( )( )(5) -1(2588) 3 8 7 (2) 14.5(8.1)0(62.9) 6 (3)(15) 8(13) 6(2) 1 1 () () (9)20(1) 3 6
7、1 () 6 (16)185 7 8 1 ( )( )(2) -1(2545) 7 6 1 (10) 16.5(7.9)0(90.7) 2 (9)(8) 2(2) 3.5(15) 1 1 () () (7)2(3.75) 5 2 1 () 2 (16)205 6 7 1 ( )( )(10) -1(2780) 6 8 15 (10) 17(2.9)0(83.2) 14 (8)(2) 10(6) 7.5(7) 1 1 () () (5)16(4.25) 6 3 1 () 4 (16)225 6 1 1 ( )( )(2) -1(1247) 2 5 17 (4) 8(9.1)0(18.6) 18
8、(5)(17) 2(6) 1.5(14) 1 1 () () (4)6(0.5) 7 3 1 () 20 (4)1225 7 1 1 ( )( )(6) 0(2147) 3 6 15 (8) 8(4)0(66.5) 14 (7)(10) 6(19) 5(3) 1 1 () () (10)12(0.5) 5 8 1 () 14 (4)22.5 8 5 1 ( )( )(2) 0(1284) 4 7 1 (18) 11(5.9)0(36.4) 14 (5)(5) 5(15) 8.5(14) 1 1 () () (6)20(0.5) 5 5 1 () 12 (20)85 5 7 7 ( )( )(9) -1(2911) 6 6 1 (10) 11.5(1.5)0(90.5) 12 (2)(6) 9(2) 9(9) 1 1 () () (5)20(4.75) 8 7 1 () 4 (16)12125 6 1 1 ( )( )(2) 0(2219) 5 8 1 (20) 17(6.5)0(95) 6 (5)(2) 8(5) 8(8) 1 1 () () (8)16(0.5) 4 4 1 () 2 (16)40.125 8
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