1、初一数学上册有理数混合运算题精选130(5)(12) 1(2) 5.5(2) 1 1 () () (8)12(2.75) 2 3 1 () 20 (16)812.5 5 8 1 ( )( )(2) 1(2305) 7 3 5 (8) 20(0.5)0(63.7) 4 (8)(10) 7(11) 9(15) 1 1 () () (1)6(3.25) 6 9 1 () 16 (16)161.25 2 1 1 ( )( )(6) -1(1663) 8 5 11 (10) 4.5(3)0(16.2) 12 (1)(5) 10(3) 5.5(16) 1 1 () () (6)14(3.5) 2 9 1
2、() 6 (12)1425 7 1 6 ( )( )(4) -1(1640) 2 5 5 (18) 4.5(1.3)0(32.8) 6 (9)(3) 10(13) 8.5(7) 1 1 () () (10)8(0.25) 2 9 1 () 4 (12)42.5 8 1 1 ( )( )(10) 1(2132) 8 3 17 (18) 9(9.8)0(30.6) 16 (4)(11) 8(16) 4.5(15) 1 1 () () (9)6(0.75) 6 7 1 () 2 (20)650 3 1 1 ( )( )(9) -1(1442) 6 8 17 (8) 3(0.4)0(49.8) 18
3、(2)(10) 3(19) 2.5(20) 1 1 () () (1)2(2.25) 2 6 1 () 6 (4)85 7 5 1 ( )( )(5) -1(1175) 4 4 17 (18) 10(3.1)0(39.9) 16 (7)(18) 2(10) 7.5(7) 1 1 () () (8)14(2.5) 4 9 1 () 12 (4)41.25 6 1 1 ( )( )(5) -1(1266) 6 5 3 (8) 15(4.6)0(83.7) 4 (2)(2) 7(2) 4(11) 1 1 () () (3)14(1) 3 7 1 () 8 (8)165 5 6 3 ( )( )(7)
4、 -1(2613) 5 2 9 (16) 3(8.2)0(46.9) 10 (6)(13) 3(19) 2.5(4) 1 1 () () (3)2(0.75) 7 9 1 () 4 (16)125 3 9 1 ( )( )(6) 0(1301) 8 7 11 (10) 5(6.1)0(66.2) 12 (7)(8) 10(5) 6.5(18) 1 1 () () (4)12(2) 2 6 1 () 12 (12)80.125 2 1 8 ( )( )(4) 1(2412) 3 7 1 (8) 13.5(2.8)0(80.7) 4 (2)(20) 4(14) 8.5(19) 1 1 () ()
5、(4)16(2.25) 7 8 1 () 6 (16)185 7 1 5 ( )( )(9) 1(1431) 5 4 19 (4) 11(5.8)0(13.7) 18 (4)(14) 7(18) 4(11) 1 1 () () (5)10(3) 4 8 1 () 2 (8)200.125 8 3 1 ( )( )(6) 1(2461) 2 6 1 (14) 20(8.5)0(79.1) 14 (2)(6) 2(16) 2.5(6) 1 1 () () (4)8(0.25) 6 5 1 () 10 (16)20.05 3 5 1 ( )( )(7) 0(1498) 4 7 1 (18) 13.5
6、(7.9)0(16.6) 4 (5)(10) 10(8) 9.5(11) 1 1 () () (1)6(5) 8 5 1 () 16 (12)122.5 3 5 5 ( )( )(10) 1(1192) 4 4 1 (20) 14(3.1)0(69.1) 4 (1)(10) 10(6) 8.5(14) 1 1 () () (9)20(3.5) 3 4 1 () 18 (8)120.125 3 8 1 ( )( )(9) -1(1645) 7 4 7 (16) 3(0.1)0(30.7) 8 (2)(18) 9(15) 5.5(1) 1 1 () () (6)14(5) 2 8 1 () 20
7、(12)81.25 5 1 1 ( )( )(9) 1(2776) 8 3 1 (4) 1(4.2)0(25.6) 2 (3)(15) 10(13) 2(9) 1 1 () () (8)16(3.5) 3 3 1 () 10 (20)16125 2 1 8 ( )( )(4) 1(1945) 6 7 1 (8) 12(4.1)0(98.7) 2 (8)(14) 10(11) 9.5(12) 1 1 () () (2)16(4.5) 4 8 1 () 20 (12)121.25 5 5 9 ( )( )(7) -1(1041) 4 8 1 (20) 9.5(7.2)0(27.6) 16 (2)(4) 6(19) 9(15) 1 1 () () (1)6(3) 4 8 1 () 16 (4)122.5 7 3 1 ( )( )(6) 0(2318) 2 4 11 (8) 2(9.6)0(37.2) 10 (10)(14) 8(4) 8.5(10) 1 1 () () (4)12(0.5) 3 8 1 () 12 (12)100.5 3 5 1 ( )( )(9) 1(2268) 4 6 9 (10) 10.5(5.7)0(82) 10
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