1、初一数学上册有理数混合运算题精选92(8)(18) 4(15) 10(6) 1 1 () () (9)16(1.75) 6 3 1 () 6 (16)65 2 1 1 ( )( )(7) 0(2192) 5 6 1 (20) 1(3.5)0(72.3) 12 (8)(11) 4(20) 3.5(17) 1 1 () () (7)14(1.5) 7 2 1 () 16 (16)812.5 8 1 1 ( )( )(7) -1(2741) 2 8 3 (14) 11.5(4.2)0(32.2) 2 (3)(20) 5(8) 3(3) 1 1 () () (3)12(0.25) 8 3 1 () 1
2、6 (8)60.125 8 1 1 ( )( )(5) -1(1310) 8 7 1 (8) 1.5(2.6)0(57.5) 2 (2)(4) 10(13) 2(13) 1 1 () () (10)18(0.25) 2 4 1 () 14 (8)145 4 5 1 ( )( )(3) -1(2366) 4 5 19 (8) 6(8.5)0(41.7) 18 (10)(8) 4(9) 2(19) 1 1 () () (9)10(2.25) 4 2 1 () 14 (20)121.25 4 1 6 ( )( )(6) 0(2563) 5 5 3 (8) 7.5(0.8)0(16.9) 4 (9)(
3、4) 4(16) 8.5(15) 1 1 () () (10)12(0.75) 8 2 1 () 6 (8)21.25 8 1 8 ( )( )(2) -1(2035) 8 7 11 (10) 12.5(9)0(69.4) 12 (1)(19) 2(13) 4(4) 1 1 () () (10)16(0.75) 5 8 1 () 18 (16)22.5 5 1 4 ( )( )(5) 0(1522) 3 3 1 (10) 17(7.1)0(47.8) 14 (4)(9) 10(13) 2(5) 1 1 () () (4)10(5) 2 2 1 () 10 (12)60.5 6 1 1 ( )(
4、 )(5) 0(2301) 3 4 1 (12) 16(7.6)0(15.8) 16 (6)(7) 8(18) 1.5(19) 1 1 () () (1)2(1.5) 3 8 1 () 12 (20)4250 7 9 7 ( )( )(3) -1(1432) 8 6 1 (12) 3(6.9)0(63.3) 18 (9)(8) 9(14) 9(11) 1 1 () () (5)6(1.25) 5 2 1 () 10 (8)120.125 8 1 1 ( )( )(5) 1(2566) 5 6 1 (6) 10.5(5.2)0(46.2) 12 (8)(10) 9(4) 6.5(16) 1 1
5、() () (7)8(2.5) 6 3 1 () 8 (16)100.05 8 7 9 ( )( )(10) 0(2249) 6 8 1 (18) 9(2.3)0(40.4) 4 (7)(12) 7(2) 3.5(9) 1 1 () () (5)14(2.75) 5 8 1 () 12 (20)181.25 2 1 1 ( )( )(9) -1(1884) 8 5 1 (16) 4.5(8.7)0(20.3) 10 (1)(7) 9(9) 7(11) 1 1 () () (9)10(2.5) 4 3 1 () 6 (8)120.5 7 1 1 ( )( )(9) -1(2489) 7 5 17
6、 (6) 11.5(4.6)0(96.7) 16 (3)(9) 6(1) 7(8) 1 1 () () (7)8(1) 8 8 1 () 6 (20)105 7 1 7 ( )( )(8) -1(2400) 3 6 9 (10) 5.5(5.6)0(60.4) 10 (10)(13) 5(16) 3(18) 1 1 () () (7)6(3) 8 7 1 () 8 (20)125 4 5 1 ( )( )(4) -1(1816) 4 2 1 (8) 11.5(2.4)0(57.8) 4 (9)(19) 1(2) 8.5(7) 1 1 () () (8)2(0.5) 5 3 1 () 10 (2
7、0)201.25 7 1 1 ( )( )(7) 1(1350) 8 2 5 (14) 5(6.6)0(23.8) 4 (1)(6) 3(12) 7(10) 1 1 () () (7)6(5) 6 5 1 () 18 (4)140.125 8 7 6 ( )( )(7) -1(1261) 6 5 9 (8) 17(5.6)0(18.6) 10 (6)(4) 2(13) 10(12) 1 1 () () (10)2(1.75) 5 8 1 () 14 (8)1812.5 7 9 6 ( )( )(2) 0(2773) 8 5 17 (16) 13.5(5.7)0(19.6) 18 (5)(16) 5(6) 4.5(6) 1 1 () () (6)8(2) 6 2 1 () 8 (20)2025 3 6 1 ( )( )(7) 0(1027) 5 7 3 (10) 11(3.2)0(17.7) 4 (9)(12) 7(3) 0.5(19) 1 1 () () (5)10(1.5) 7 9 1 () 2 (16)80.05 8 1 8 ( )( )(8) 0(1686) 5 7 1 (2) 15(1.5)0(90.4) 12
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