1、有理数计算题专项练习 11619 (16) 13(2.5)0(21.3) 20 (2)(2) 8(7) 5.5(2) 1 1 () () (7)10(2.25) 7 8 1 () 20 (4)212.5 7 1 3 ( )( )(2) 0(2152) 2 2 1 (2) 20(6.5)0(32.8) 8 (1)(13) 2(10) 8(16) 1 1 () () (4)10(0.5) 3 2 1 () 14 (12)60.05 6 1 6 ( )( )(9) -1(2892) 2 5 11 (16) 2.5(2.4)0(26) 10 (10)(9) 8(2) 6.5(5) 1 1 () ()
2、(6)6(5) 4 6 1 () 12 (12)200.5 4 1 9 ( )( )(6) 1(1509) 6 8 13 (2) 15(1.1)0(24.8) 12 (5)(7) 2(12) 3.5(20) 1 1 () () (1)14(2) 4 5 1 () 8 (4)1650 8 5 1 ( )( )(9) -1(2036) 4 4 19 (12) 19.5(6.5)0(57.1) 18 (5)(13) 10(1) 4(2) 1 1 () () (10)20(4) 2 3 1 () 14 (20)122.5 5 1 8 ( )( )(5) -1(2378) 4 7 1 (4) 18(1.
3、1)0(60.3) 4 (9)(18) 10(4) 1(5) 1 1 () () (3)6(1.75) 2 8 1 () 8 (20)1412.5 6 7 1 ( )( )(8) 1(2015) 6 5 1 (16) 8(9.7)0(78.8) 2 (4)(5) 1(17) 10(7) 1 1 () () (7)4(4.25) 4 2 1 () 10 (12)2125 2 5 1 ( )( )(3) -1(2586) 4 3 1 (12) 3(9.7)0(35.5) 6 (5)(2) 1(3) 3(19) 1 1 () () (3)8(0.25) 4 8 1 () 4 (16)1225 7 5
4、 1 ( )( )(6) 0(1856) 4 8 1 (12) 9(3.1)0(95.7) 14 (4)(7) 3(4) 2(7) 1 1 () () (1)8(2.5) 5 8 1 () 14 (4)61.25 6 7 1 ( )( )(4) 1(1856) 6 2 15 (18) 6(3.5)0(14.8) 14 (7)(10) 3(12) 6.5(16) 1 1 () () (2)10(4) 8 5 1 () 6 (12)1412.5 4 1 1 ( )( )(6) 0(1621) 2 7 1 (2) 16(5.5)0(65.3) 8 (1)(11) 5(9) 6(7) 1 1 () (
5、) (10)14(3.5) 6 6 1 () 4 (12)60.125 4 1 6 ( )( )(8) 1(2158) 2 5 1 (10) 16.5(1)0(99.1) 20 (1)(19) 7(9) 5(8) 1 1 () () (1)20(1.25) 7 6 1 () 16 (4)1450 8 7 4 ( )( )(5) -1(2271) 6 3 11 (14) 10.5(4)0(44.9) 12 (8)(15) 9(14) 2.5(14) 1 1 () () (4)14(2.75) 2 5 1 () 10 (20)45 7 1 3 ( )( )(8) 0(2669) 3 2 11 (4
6、) 17.5(6.6)0(95.9) 12 (10)(4) 2(3) 8(2) 1 1 () () (1)16(3.25) 7 8 1 () 8 (8)10125 3 1 1 ( )( )(6) 0(2772) 2 6 19 (6) 10(3.4)0(86.8) 18 (7)(16) 4(18) 8(15) 1 1 () () (6)2(2.75) 5 7 1 () 2 (8)1625 8 7 1 ( )( )(6) -1(2924) 6 8 1 (14) 4.5(2.6)0(10) 16 (3)(13) 8(1) 4.5(9) 1 1 () () (1)14(2.5) 5 7 1 () 14
7、 (4)201.25 3 1 3 ( )( )(7) 0(2803) 4 2 15 (6) 9.5(4.6)0(79) 14 (2)(5) 10(10) 4(14) 1 1 () () (3)10(3.25) 8 4 1 () 20 (20)40.125 4 5 4 ( )( )(9) 1(1074) 4 3 13 (6) 2(2.6)0(91.2) 12 (4)(18) 8(4) 2.5(3) 1 1 () () (3)8(1.75) 2 3 1 () 6 (16)850 3 1 1 ( )( )(7) 0(1540) 2 2 1 (18) 10.5(8.8)0(81.3) 2 (8)(7)
8、 3(9) 9.5(15) 1 1 () () (7)2(4.5) 3 2 1 () 12 (20)160.05 3 1 1 ( )( )(6) 0(2742) 8 2 7 (18) 17(0.6)0(22.5) 8 (9)(7) 9(19) 7.5(2) 1 1 () () (6)12(1.75) 6 9 1 () 18 (8)250 5 1 9 ( )( )(3) -1(1847) 2 8 1 (8) 11.5(4.1)0(28.7) 12 (5)(4) 8(6) 7.5(3) 1 1 () () (2)4(5) 8 5 1 () 14 (8)162.5 4 1 1 ( )( )(5) -1(1368) 7 5 3 (8) 1(8.8)0(73.3) 4 (4)(10) 9(13) 4.5(7) 1 1 () () (5)4(3.5) 5 4 1 () 14 (20)650 7 4 1 ( )( )(7) -1(1056) 3 6 1 (10) 20(4.6)0(91.6) 6 (1)(7) 10(12) 9.5(20) 1 1 () () (4)4(0.75) 6 4 1 () 14 (16)40.5 8