1、有理数计算题专项练习 1011 (2) 14.5(7.9)0(57.3) 18 (4)(12) 7(10) 7(17) 1 1 () () (3)16(3.75) 3 4 1 () 18 (12)185 4 9 1 ( )( )(7) -1(1888) 8 2 9 (18) 8(0.8)0(24.1) 8 (9)(19) 9(16) 3.5(15) 1 1 () () (4)2(1.25) 6 4 1 () 2 (20)60.05 3 1 1 ( )( )(10) 0(1484) 5 4 5 (14) 19(5.6)0(49.9) 6 (7)(9) 3(18) 7(20) 1 1 () ()
2、(3)12(4.25) 5 9 1 () 2 (12)141.25 5 5 1 ( )( )(6) -1(2899) 4 5 1 (16) 7.5(4.1)0(66.5) 10 (1)(19) 9(16) 6(10) 1 1 () () (4)18(1) 5 9 1 () 4 (4)125 3 7 1 ( )( )(7) -1(2005) 6 8 1 (8) 12.5(2.4)0(83.3) 10 (3)(11) 3(1) 1.5(14) 1 1 () () (8)4(0.75) 2 2 1 () 14 (12)182.5 5 1 1 ( )( )(8) -1(2945) 6 4 11 (2)
3、 6.5(2.5)0(66.5) 10 (6)(20) 5(1) 4(2) 1 1 () () (7)6(3.5) 2 8 1 () 16 (4)1850 4 1 1 ( )( )(5) -1(1372) 8 5 15 (16) 8.5(0.5)0(35.4) 16 (1)(7) 6(1) 5(17) 1 1 () () (2)2(2) 6 9 1 () 20 (12)2050 5 1 1 ( )( )(5) 0(2135) 5 6 9 (2) 1(1.7)0(42.2) 10 (9)(17) 6(4) 6.5(5) 1 1 () () (10)10(4.25) 2 3 1 () 12 (4)
4、120.5 4 1 4 ( )( )(2) -1(2447) 2 3 15 (6) 7(6.8)0(24.9) 14 (7)(2) 1(19) 3(10) 1 1 () () (8)16(0.25) 5 2 1 () 20 (4)101.25 6 9 1 ( )( )(7) -1(2148) 8 5 7 (12) 4(4.6)0(17.8) 8 (7)(2) 8(8) 10(4) 1 1 () () (7)6(1.75) 7 4 1 () 6 (16)180.25 2 1 9 ( )( )(9) -1(2021) 8 8 7 (6) 6(8.4)0(69.8) 6 (7)(2) 10(11)
5、8(19) 1 1 () () (10)16(4.75) 2 2 1 () 6 (20)22.5 5 1 1 ( )( )(6) 1(1805) 8 8 5 (14) 10(9.3)0(47.7) 4 (5)(6) 10(16) 0.5(6) 1 1 () () (8)12(3) 3 6 1 () 14 (4)40.125 4 1 1 ( )( )(2) -1(2441) 6 2 9 (16) 18(4.5)0(49.4) 10 (4)(19) 8(4) 0.5(12) 1 1 () () (9)2(1.5) 5 9 1 () 8 (12)45 6 1 7 ( )( )(8) 0(2555)
6、2 6 7 (6) 7(3)0(84.2) 8 (7)(18) 10(10) 0.5(2) 1 1 () () (3)20(4) 2 3 1 () 10 (16)100.25 4 8 1 ( )( )(4) 1(2759) 7 8 15 (10) 10.5(0.4)0(49.2) 14 (5)(1) 2(20) 4.5(20) 1 1 () () (4)8(3.75) 7 7 1 () 6 (20)180.25 7 6 7 ( )( )(10) -1(1142) 5 6 17 (8) 8.5(0.7)0(73.1) 16 (2)(5) 5(3) 6.5(8) 1 1 () () (9)8(0.
7、25) 2 8 1 () 2 (16)16125 7 1 1 ( )( )(7) 0(1474) 7 6 15 (20) 14(9.7)0(53.4) 14 (2)(3) 8(7) 2.5(19) 1 1 () () (4)20(4) 8 8 1 () 8 (20)61.25 2 1 7 ( )( )(2) -1(1585) 2 6 3 (16) 19(9.2)0(89.5) 2 (7)(19) 5(15) 6.5(15) 1 1 () () (6)12(3) 8 8 1 () 2 (8)1625 3 1 7 ( )( )(8) 0(1841) 2 6 9 (16) 17(7.5)0(37.3
8、) 10 (3)(20) 8(7) 2.5(4) 1 1 () () (3)4(3.75) 6 4 1 () 8 (20)60.125 2 3 3 ( )( )(9) 0(2803) 2 2 1 (8) 9.5(8.3)0(96.7) 10 (9)(11) 4(7) 8(10) 1 1 () () (3)8(5) 8 5 1 () 8 (12)2050 7 1 1 ( )( )(8) 1(1893) 5 5 21 (4) 8(3.1)0(91.2) 20 (1)(17) 5(19) 5.5(7) 1 1 () () (4)6(3.75) 4 3 1 () 20 (8)61.25 4 9 1 ( )( )(6) -1(1198) 8 6 11 (6) 4(7)0(96) 12 (5)(2) 8(18) 10(19) 1 1 () () (8)16(1.25) 6 5 1 () 4 (12)1825 5 8 1 ( )( )(4) 1(1898) 7 5 9 (2) 2(5.8)0(43.5) 8 (6)(9) 7(16) 6.5(20) 1 1 () () (6)14(0.75) 6 9 1 () 20 (20)141.25 8