1、有理数计算题专项练习 77 1 1 ( )( )(2) -1(2340) 6 6 11 (12) 3.5(0.2)0(91.2) 12 (6)(14) 8(12) 10(1) 1 1 () () (4)18(3.25) 4 5 1 () 12 (20)20125 7 1 1 ( )( )(9) 0(1038) 6 3 1 (16) 19.5(0.4)0(64.5) 6 (5)(9) 3(14) 5(8) 1 1 () () (6)6(1.75) 4 9 1 () 10 (20)225 2 1 1 ( )( )(7) -1(2707) 3 7 11 (6) 14(2)0(25.6) 10 (10
2、)(14) 1(8) 0.5(5) 1 1 () () (10)6(1) 8 6 1 () 18 (20)200.25 4 4 1 ( )( )(3) 1(2457) 3 6 13 (16) 15(0.8)0(76.1) 14 (7)(19) 7(7) 6(13) 1 1 () () (1)18(2) 5 8 1 () 8 (16)22.5 2 3 4 ( )( )(4) -1(2236) 2 3 13 (2) 7.5(2.8)0(50.1) 14 (7)(9) 1(13) 6(3) 1 1 () () (6)16(2.25) 5 6 1 () 14 (16)82.5 5 6 1 ( )( )
3、(3) 0(2891) 5 7 1 (8) 19.5(4.5)0(27.2) 16 (9)(17) 7(20) 3(2) 1 1 () () (5)10(0.25) 5 3 1 () 8 (12)1625 5 4 3 ( )( )(3) 0(2296) 3 2 1 (8) 18(3.9)0(10) 2 (1)(2) 6(15) 7(16) 1 1 () () (3)14(3) 2 4 1 () 20 (20)40.05 2 4 1 ( )( )(2) 1(2132) 3 7 17 (18) 7(5.1)0(56.5) 16 (5)(6) 1(9) 7(15) 1 1 () () (1)14(4
4、) 5 2 1 () 6 (20)60.05 3 1 9 ( )( )(2) 0(2695) 3 8 1 (2) 6(2.6)0(46.5) 16 (4)(8) 8(1) 6.5(17) 1 1 () () (9)8(4) 5 9 1 () 4 (4)10125 2 8 1 ( )( )(3) 0(1157) 7 7 21 (10) 10.5(6.2)0(34.3) 20 (1)(15) 8(12) 7.5(8) 1 1 () () (1)10(3.75) 7 9 1 () 4 (4)2125 7 6 1 ( )( )(6) 1(1762) 5 2 11 (8) 8(7.8)0(39.8) 1
5、2 (2)(14) 10(2) 9.5(11) 1 1 () () (5)16(3) 7 2 1 () 20 (12)120.05 7 1 5 ( )( )(3) -1(2196) 3 4 13 (10) 2(1.4)0(44.1) 14 (8)(7) 5(9) 2.5(18) 1 1 () () (4)2(1.25) 6 9 1 () 18 (20)60.125 7 1 3 ( )( )(3) 0(2228) 4 2 15 (4) 19(2.1)0(30.9) 14 (3)(14) 4(18) 5(17) 1 1 () () (9)18(1) 2 6 1 () 14 (12)142.5 8
6、1 1 ( )( )(4) 0(2618) 7 7 1 (20) 11.5(4.6)0(23.1) 10 (3)(3) 6(8) 8(9) 1 1 () () (3)8(1) 3 2 1 () 2 (8)10250 8 1 9 ( )( )(6) 0(2709) 5 8 1 (8) 2.5(7.3)0(23.8) 2 (7)(14) 7(20) 1.5(8) 1 1 () () (10)18(1.25) 5 8 1 () 10 (4)100.25 5 1 9 ( )( )(10) 1(2701) 8 8 17 (4) 3(7.7)0(96.9) 18 (10)(1) 2(1) 7(5) 1 1
7、 () () (3)14(0.75) 3 8 1 () 6 (8)60.05 3 1 1 ( )( )(10) -1(1378) 3 2 1 (14) 17.5(6.6)0(82.9) 6 (9)(6) 10(15) 1(18) 1 1 () () (3)14(3.25) 4 8 1 () 18 (16)10125 6 1 8 ( )( )(7) 1(1164) 7 7 11 (10) 9.5(5)0(21.7) 12 (7)(7) 2(12) 7.5(16) 1 1 () () (9)8(3.5) 2 6 1 () 8 (20)8250 8 1 1 ( )( )(8) 1(2204) 4 4
8、 1 (8) 15(1.9)0(71.2) 6 (3)(2) 2(2) 9.5(16) 1 1 () () (1)6(0.25) 7 5 1 () 4 (16)6250 3 5 1 ( )( )(4) 0(2592) 4 3 1 (18) 10.5(2.3)0(49) 16 (8)(3) 4(18) 10(3) 1 1 () () (1)4(3.25) 3 9 1 () 6 (12)1012.5 7 1 1 ( )( )(7) 1(1224) 6 3 1 (4) 3(4.7)0(35.1) 16 (4)(13) 8(6) 4.5(14) 1 1 () () (4)20(0.5) 8 4 1 () 18 (20)1225 4 1 1 ( )( )(4) -1(2267) 3 7 19 (6) 10(9.9)0(27.3) 20 (8)(13) 3(7) 8(2) 1 1 () () (3)18(3.25) 3 6 1 () 10 (12)200.5 5 8 1 ( )( )(4) -1(1244) 7 6 7 (10) 16.5(5.1)0(14.8) 8 (5)(19) 1(8) 1.5(5) 1 1 () () (9)10(2) 8 3