1、有理数计算题专项练习 25(10)(18) 10(2) 3(13) 1 1 () () (8)12(1.25) 3 9 1 () 16 (8)162.5 3 1 3 ( )( )(5) -1(2286) 6 2 17 (4) 18.5(6.2)0(87.7) 16 (7)(9) 7(19) 0.5(11) 1 1 () () (3)12(2.25) 4 2 1 () 4 (16)1825 5 6 9 ( )( )(3) 0(1307) 5 8 7 (2) 3(8.7)0(80.9) 6 (9)(10) 5(11) 8.5(16) 1 1 () () (5)8(0.75) 6 9 1 () 14
2、 (8)160.5 8 4 7 ( )( )(7) 1(1772) 3 6 1 (14) 13.5(3.6)0(21.6) 16 (3)(19) 3(5) 9.5(6) 1 1 () () (2)20(2) 6 6 1 () 8 (16)1825 4 9 1 ( )( )(10) 0(1456) 8 3 3 (10) 3.5(2.7)0(61.4) 4 (7)(20) 6(16) 7.5(10) 1 1 () () (10)14(2.5) 7 3 1 () 16 (20)225 3 4 1 ( )( )(8) 0(2803) 3 6 17 (14) 9.5(1.2)0(42.5) 16 (2)
3、(4) 4(7) 3(14) 1 1 () () (4)2(1.5) 4 8 1 () 2 (8)20.05 3 8 9 ( )( )(4) 1(1927) 7 8 11 (14) 11.5(3)0(37.9) 12 (4)(18) 6(15) 3.5(3) 1 1 () () (6)12(4.25) 3 3 1 () 10 (20)120.125 2 6 1 ( )( )(9) 0(2199) 5 7 15 (12) 8(8.6)0(22.7) 16 (2)(7) 2(8) 3(8) 1 1 () () (7)8(0.5) 8 6 1 () 10 (4)40.25 2 9 1 ( )( )(
4、5) 0(2318) 8 8 1 (6) 12.5(8.9)0(10.8) 18 (5)(8) 3(18) 0.5(15) 1 1 () () (9)12(3.5) 5 7 1 () 8 (16)120.05 5 1 1 ( )( )(2) 1(2093) 8 5 9 (20) 7.5(5.1)0(33.2) 8 (1)(18) 4(4) 6(5) 1 1 () () (5)12(1) 5 2 1 () 4 (8)185 3 1 1 ( )( )(7) 0(2954) 6 8 1 (10) 7(5.8)0(59.6) 4 (6)(18) 2(14) 9(4) 1 1 () () (4)4(0.
5、25) 4 6 1 () 6 (8)162.5 4 4 7 ( )( )(7) 1(2669) 3 6 15 (16) 16.5(9.7)0(11.5) 16 (9)(16) 6(13) 10(1) 1 1 () () (3)10(1.75) 6 8 1 () 2 (8)850 8 4 3 ( )( )(9) 0(1597) 3 2 1 (6) 9(8.7)0(77.4) 6 (9)(15) 7(7) 3(16) 1 1 () () (9)4(4.25) 7 6 1 () 10 (16)140.05 5 1 6 ( )( )(8) 0(2091) 6 5 15 (14) 0.5(8.7)0(1
6、4.2) 16 (1)(13) 2(10) 9.5(13) 1 1 () () (1)2(2.5) 3 6 1 () 6 (12)122.5 6 1 1 ( )( )(5) 0(1701) 6 7 17 (12) 11.5(1.9)0(17) 16 (3)(12) 8(2) 8.5(4) 1 1 () () (5)20(2.75) 7 2 1 () 10 (16)61.25 6 1 5 ( )( )(6) 0(1750) 8 4 1 (12) 3.5(3)0(30.9) 20 (8)(17) 4(14) 3(2) 1 1 () () (9)8(2.75) 7 4 1 () 18 (8)450
7、2 8 3 ( )( )(8) -1(1363) 7 2 1 (2) 11(2.4)0(92.8) 6 (10)(1) 4(11) 2.5(19) 1 1 () () (8)16(2.75) 2 2 1 () 18 (16)20125 6 1 1 ( )( )(8) 0(1027) 6 3 17 (12) 13.5(3.3)0(42.2) 18 (1)(4) 4(3) 1(17) 1 1 () () (2)4(5) 3 6 1 () 18 (20)1250 3 1 1 ( )( )(2) -1(2348) 6 8 15 (20) 9(3.1)0(91) 16 (4)(5) 10(4) 9(13
8、) 1 1 () () (3)12(1) 3 7 1 () 14 (16)412.5 3 8 1 ( )( )(2) 1(2742) 7 5 21 (12) 8(9)0(96.7) 20 (3)(8) 4(10) 6.5(18) 1 1 () () (8)16(3.5) 2 5 1 () 16 (8)162.5 2 3 1 ( )( )(5) -1(2917) 2 5 19 (4) 6(8)0(96.1) 18 (4)(19) 3(1) 9(1) 1 1 () () (9)14(3.75) 8 7 1 () 8 (4)201.25 4 7 1 ( )( )(6) 0(2627) 6 3 1 (2) 19(0.6)0(54.2) 14 (5)(16) 3(15) 10(3) 1 1 () () (9)8(3) 6 8 1 () 10 (20)100.5 3 9 3 ( )( )(8) 1(1147) 8 2 21 (4) 17.5(2.2)0(59.8) 20 (4)(6) 5(20) 9.5(20) 1 1 () () (1)8(0.75) 7 6 1 () 18 (8)160.05 7 5 7 ( )( )(10) 0(1397) 4 6
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