1、有理数计算题专项练习 83 1 () 6 (16)180.25 3 6 5 ( )( )(8) -1(1099) 5 4 13 (20) 9(3.6)0(75.6) 14 (2)(7) 5(7) 1.5(12) 1 1 () () (5)6(0.75) 6 2 1 () 8 (12)2050 5 9 3 ( )( )(2) -1(2121) 8 2 11 (4) 13.5(2.9)0(95.9) 12 (6)(14) 9(3) 10(17) 1 1 () () (7)12(1.75) 3 3 1 () 18 (8)145 6 1 7 ( )( )(4) -1(1091) 5 6 1 (20)
2、4.5(8.2)0(12.5) 20 (9)(8) 9(2) 4(10) 1 1 () () (2)8(5) 7 8 1 () 20 (16)812.5 2 4 3 ( )( )(3) -1(1761) 3 2 11 (8) 1(9.1)0(54.6) 10 (7)(8) 6(15) 6.5(8) 1 1 () () (3)8(0.75) 6 4 1 () 8 (12)120.5 7 1 3 ( )( )(5) 0(1286) 7 2 11 (10) 3(0.1)0(32.8) 10 (5)(13) 8(20) 5(17) 1 1 () () (1)10(2.25) 8 7 1 () 8 (8
3、)450 3 1 9 ( )( )(5) -1(1277) 7 8 1 (14) 20(4.7)0(33.3) 12 (10)(12) 8(7) 1.5(9) 1 1 () () (8)4(1.75) 7 5 1 () 20 (16)45 2 6 3 ( )( )(7) 0(2485) 5 2 19 (10) 6.5(6.3)0(26.9) 20 (3)(16) 1(13) 9.5(1) 1 1 () () (5)6(2.75) 5 7 1 () 6 (12)1212.5 7 1 4 ( )( )(10) 1(1476) 8 3 21 (6) 1(3.1)0(68.2) 20 (9)(17)
4、10(5) 4(3) 1 1 () () (10)8(1) 8 3 1 () 20 (16)80.05 2 9 1 ( )( )(5) 1(2108) 8 3 1 (18) 5.5(3.9)0(38) 2 (6)(9) 6(10) 9.5(2) 1 1 () () (2)16(3.75) 8 7 1 () 12 (16)1250 4 1 1 ( )( )(3) 1(2344) 5 8 5 (4) 18(2.4)0(63.4) 4 (5)(13) 9(15) 6.5(10) 1 1 () () (9)2(4.25) 2 6 1 () 8 (16)61.25 3 1 3 ( )( )(6) -1(
5、1559) 3 2 19 (14) 14(9.7)0(68.1) 20 (3)(15) 1(6) 9(5) 1 1 () () (5)6(2.25) 6 4 1 () 10 (16)14250 2 1 7 ( )( )(10) 0(2922) 5 6 3 (4) 1(2)0(51.5) 4 (5)(17) 7(18) 5(3) 1 1 () () (2)8(3) 7 7 1 () 18 (16)45 6 9 1 ( )( )(8) 0(1814) 8 6 9 (2) 12.5(0.7)0(65.7) 8 (9)(1) 3(20) 6.5(14) 1 1 () () (7)10(2) 2 5 1
6、 () 8 (4)1625 6 9 1 ( )( )(4) 0(1476) 8 3 13 (12) 8(6.7)0(51.5) 12 (7)(20) 8(17) 7(13) 1 1 () () (7)12(4.5) 5 5 1 () 8 (12)450 8 7 1 ( )( )(10) 1(1772) 6 3 17 (4) 12.5(4.4)0(40.6) 18 (10)(11) 3(7) 0.5(7) 1 1 () () (8)14(2.25) 5 5 1 () 16 (20)165 3 6 8 ( )( )(4) 0(1092) 5 7 1 (14) 0.5(0.8)0(40.4) 8 (
7、8)(17) 5(15) 10(9) 1 1 () () (10)16(1) 6 9 1 () 8 (8)100.25 8 1 1 ( )( )(2) -1(1934) 2 2 1 (18) 10(5.3)0(13.3) 6 (9)(4) 7(4) 8.5(3) 1 1 () () (1)8(1.75) 5 2 1 () 14 (20)1412.5 3 1 8 ( )( )(7) 1(2741) 7 7 1 (6) 19(0.2)0(74.5) 12 (5)(7) 6(12) 3.5(5) 1 1 () () (7)14(0.5) 4 3 1 () 6 (8)8125 7 5 1 ( )( )
8、(7) 1(1169) 4 5 3 (12) 19.5(5.3)0(92.6) 2 (9)(4) 10(6) 2.5(17) 1 1 () () (7)10(1.25) 4 6 1 () 6 (16)425 3 1 1 ( )( )(2) 1(2376) 3 5 1 (20) 18(8.4)0(47.1) 2 (3)(6) 2(8) 5.5(1) 1 1 () () (10)16(3.75) 8 9 1 () 20 (8)80.125 2 6 1 ( )( )(7) 0(2875) 5 4 7 (14) 18(3.4)0(10.2) 6 (10)(4) 1(6) 7.5(10) 1 1 () () (3)2(5) 5 2 1 () 2 (12)202.5 7 6 1 ( )( )(9) 0(1880) 5 6 11 (16) 6.5(9.7)0(10.5) 10 (7)(14) 1(9) 6(11) 1 1 () () (6)2(3) 7 9 1 () 14 (8)181.25 5 1 1 ( )( )(6) 1(2461) 7 3 7 (6) 1.5(8.3)0(19.9) 6 (10)(6) 7(1) 6.5(15)
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