1、有理数计算题专项练习 565 (2) 12.5(5.4)0(48.9) 6 (10)(10) 7(4) 7(5) 1 1 () () (4)20(2.5) 5 8 1 () 10 (8)1012.5 8 9 1 ( )( )(10) 1(1495) 8 8 1 (14) 12.5(5.5)0(43.7) 6 (9)(20) 4(16) 2.5(2) 1 1 () () (10)16(0.75) 6 4 1 () 10 (20)1050 5 9 1 ( )( )(6) 1(2203) 8 6 21 (14) 9(8.6)0(37.3) 20 (5)(1) 10(19) 8(14) 1 1 ()
2、() (2)6(5) 7 4 1 () 12 (20)12125 3 3 3 ( )( )(5) 0(1920) 2 2 9 (8) 4(5.9)0(42.1) 10 (7)(8) 10(18) 5(5) 1 1 () () (4)14(3) 8 4 1 () 16 (16)1212.5 5 6 1 ( )( )(8) 0(1168) 5 8 3 (20) 3.5(1.5)0(22.6) 4 (4)(14) 6(3) 0.5(12) 1 1 () () (9)4(0.5) 3 8 1 () 12 (16)4250 7 7 5 ( )( )(4) 1(2045) 6 4 13 (8) 19(2.
3、6)0(52.2) 12 (2)(10) 7(19) 1.5(4) 1 1 () () (5)8(1.25) 4 9 1 () 2 (4)125 7 9 6 ( )( )(3) 1(1862) 8 5 19 (20) 6.5(5.9)0(82.2) 20 (5)(10) 10(4) 7.5(19) 1 1 () () (10)18(2) 7 8 1 () 20 (8)61.25 8 1 6 ( )( )(3) 1(1039) 7 5 13 (8) 2(9.1)0(67.3) 12 (2)(20) 3(16) 5(2) 1 1 () () (7)12(3) 2 3 1 () 10 (8)180.
4、25 2 8 9 ( )( )(2) -1(1086) 7 8 1 (2) 3.5(5)0(33.3) 10 (6)(18) 4(2) 4(13) 1 1 () () (6)6(4) 3 5 1 () 12 (12)22.5 5 1 5 ( )( )(2) 0(1066) 3 4 1 (2) 17(8)0(13.4) 18 (1)(8) 9(4) 2(16) 1 1 () () (5)10(3.75) 4 3 1 () 18 (8)82.5 8 1 9 ( )( )(6) 0(2357) 5 8 5 (6) 3(3)0(53.9) 6 (8)(4) 5(12) 7.5(6) 1 1 () ()
5、 (5)18(3.75) 2 7 1 () 16 (12)21.25 3 1 8 ( )( )(3) -1(1055) 2 7 13 (18) 8.5(0.9)0(22.4) 12 (8)(13) 6(10) 2.5(3) 1 1 () () (8)6(1.5) 6 6 1 () 20 (16)250 3 1 1 ( )( )(10) -1(1829) 5 6 13 (4) 19(3.8)0(19.1) 12 (8)(5) 3(3) 4.5(2) 1 1 () () (10)16(4) 3 6 1 () 12 (4)21.25 7 1 1 ( )( )(2) 1(1234) 5 6 1 (14
6、) 9.5(1.8)0(30) 4 (2)(3) 8(14) 3(4) 1 1 () () (6)18(4.75) 3 2 1 () 6 (4)100.05 5 1 1 ( )( )(10) 0(2624) 5 2 13 (16) 6.5(4.9)0(86.1) 14 (7)(3) 4(14) 1(7) 1 1 () () (10)12(5) 4 8 1 () 18 (12)450 4 1 1 ( )( )(5) 0(2503) 5 3 7 (14) 10(8.8)0(97.4) 6 (3)(2) 9(15) 5.5(13) 1 1 () () (2)4(0.25) 2 8 1 () 20 (
7、16)450 6 1 9 ( )( )(4) 0(1672) 2 8 17 (18) 6(7)0(75.8) 18 (4)(11) 4(19) 1(15) 1 1 () () (10)12(4.5) 7 2 1 () 16 (4)100.25 5 1 9 ( )( )(9) 0(2517) 7 8 17 (12) 5.5(3.9)0(97) 18 (4)(11) 6(9) 2.5(19) 1 1 () () (8)6(3.25) 5 5 1 () 10 (8)1812.5 4 5 1 ( )( )(10) -1(1130) 4 3 5 (10) 17(4)0(26.4) 6 (1)(12) 7
8、(13) 2.5(13) 1 1 () () (6)14(2.5) 5 5 1 () 8 (20)40.5 2 1 1 ( )( )(2) 1(2423) 3 3 17 (2) 5.5(3.8)0(40.7) 16 (8)(12) 5(13) 7(15) 1 1 () () (10)14(1.75) 5 8 1 () 8 (4)1612.5 4 1 1 ( )( )(5) 0(2613) 2 3 5 (16) 2(7.2)0(33.2) 6 (10)(5) 3(17) 8.5(7) 1 1 () () (5)20(1) 6 8 1 () 2 (4)412.5 6 1 1 ( )( )(3) -1(2822) 4 3 7 (4) 10(5.4)0(65.5) 6 (4)(14) 3(5) 7(4) 1 1 () () (2)18(2) 4 2 1 () 4 (20)40.5 6 1 1 ( )( )(9) 1(2798) 3 2 15 (12) 20(7.9)0(68.7) 16 (9)(9) 3(1) 3.5(2) 1 1 () () (7)8(0.75) 3 3 1 () 8 (8)105 2
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