1、有理数计算题专项练习 115(4)(2) 7(16) 3(13) 1 1 () () (8)6(0.75) 7 6 1 () 18 (16)1250 3 4 1 ( )( )(3) 0(2927) 3 3 1 (16) 4(4.9)0(81.2) 12 (8)(12) 5(11) 4(6) 1 1 () () (4)6(2.75) 2 7 1 () 14 (12)4250 6 5 9 ( )( )(6) -1(1003) 4 8 5 (6) 19(6.9)0(81) 6 (5)(9) 1(5) 1(2) 1 1 () () (7)16(0.5) 5 9 1 () 16 (20)165 4 4
2、3 ( )( )(8) 0(1076) 3 2 1 (20) 8(9.6)0(97.2) 2 (1)(17) 4(17) 8.5(12) 1 1 () () (4)20(0.25) 4 7 1 () 10 (20)162.5 7 1 1 ( )( )(2) 0(2513) 3 7 5 (10) 2.5(2.3)0(68.4) 6 (6)(10) 10(17) 3(7) 1 1 () () (5)8(2.5) 5 7 1 () 2 (8)14250 5 4 1 ( )( )(2) -1(2934) 3 7 3 (8) 10(5.9)0(74.5) 4 (6)(7) 10(8) 7.5(5) 1
3、1 () () (6)16(1.75) 3 4 1 () 10 (4)20.25 2 1 4 ( )( )(8) 1(2245) 8 3 3 (12) 11.5(6.6)0(91.7) 2 (6)(2) 9(2) 9(8) 1 1 () () (1)8(5) 4 7 1 () 12 (12)62.5 3 8 7 ( )( )(4) 0(1290) 7 6 5 (18) 12.5(8.1)0(98.6) 6 (8)(15) 5(17) 2.5(2) 1 1 () () (10)4(3.75) 3 3 1 () 20 (16)20.25 6 1 7 ( )( )(2) 0(1892) 2 6 7
4、(20) 9(5.6)0(28.5) 8 (5)(10) 6(6) 10(16) 1 1 () () (2)2(1.5) 8 3 1 () 2 (20)201.25 6 1 8 ( )( )(10) -1(1206) 8 7 11 (4) 16.5(4.8)0(15.8) 10 (2)(11) 10(18) 9(2) 1 1 () () (1)18(5) 3 5 1 () 8 (20)1812.5 7 9 6 ( )( )(3) 0(2829) 8 5 17 (8) 16.5(2.9)0(10.6) 16 (8)(17) 7(16) 2.5(17) 1 1 () () (4)10(0.75)
5、7 8 1 () 16 (12)1012.5 6 1 1 ( )( )(3) 0(1330) 8 6 1 (6) 12(7.4)0(43.6) 2 (2)(9) 7(6) 5.5(8) 1 1 () () (8)8(1) 2 5 1 () 8 (4)1212.5 2 1 3 ( )( )(3) 1(1751) 3 2 13 (12) 16.5(1.9)0(52.5) 14 (10)(14) 4(19) 1.5(6) 1 1 () () (6)6(3.5) 2 3 1 () 8 (8)140.5 7 1 6 ( )( )(6) 1(2942) 5 5 1 (16) 8.5(1.9)0(84.6)
6、 12 (10)(5) 6(12) 8.5(19) 1 1 () () (3)10(4.25) 5 4 1 () 4 (20)4250 6 1 1 ( )( )(7) 0(1924) 3 5 3 (16) 9.5(1.6)0(25.4) 2 (9)(13) 6(16) 4.5(8) 1 1 () () (5)12(4.75) 5 3 1 () 18 (8)180.125 8 1 1 ( )( )(3) 1(1739) 2 4 3 (10) 0.5(7)0(38.7) 4 (2)(11) 10(1) 5.5(6) 1 1 () () (3)4(0.5) 7 3 1 () 20 (12)6250 5 4 8 ( )( )(2) 1(2431) 3 7 1 (18) 6.5(4.8)0(96.7) 20 (2)(5) 10(5) 0.5(19) 1 1 () () (4)4(1.25) 3 8 1 () 18 (20)160.05 8 8 1 ( )( )(6) 0(1112) 7 3 1 (14) 13.5(1.5)0(96) 4 (4)(18) 5(13) 0.5(5) 1 1 () () (6)4(3) 6 4 1 () 16 (20)16125 8 3 7 ( )( )(6) -1(1778) 2 6 1 (20) 17.5(9.5)0(37.3) 18
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