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1、如有侵权,请联系网站删除,仅供学习与交流六年级四则运算题300道【精品文档】第 6 页 六年级四则混合运算题 3 + + 18(+) = (+)= 7+5 ()(24) (+) (+) 8x3(x6)25x: (3217)(25) ()(2121) (99)9 ()()30 3 1210%110 4 5841 () 5X3=X= 235 - 13518 153 0.653 () 10 - - + 60%28 1.60.1250.5 2513.098.124.88 12103450075 () ()151137.519.52.54 1.75x0.5x6.25 x30 6:x:0.8331.25
2、10 9.564.8751.44 6 4.618.415 99.999999.9 416 1822801.25 251.2548 0.73.94.36.1 7.35997.35 47817 46101 15.624 142143 3 4312 75 ()240.42.50.0750 () 411.750.4 49625016 10.2(1.252.5)1.5 ()45 2() 0.31(3.32.95) 4949854985 ()() () ()3524() 3.744.86.23.743.74 () 8.64.3 (0.25) 3.6(4.72.3)1.2 17.18.81.2 3.625
3、() 60()17504501832 0.81(3.22.95) () 2.53.70.412() (910) 101.125.935.10.85 ()(1)2.62 31 1.919.9199.91999.90.4 () () 11.2512.21 81.25 44 () 4.81.23.51.4 1.80.258.24 (10) 168.1(4.320.4) ()25.12517.4 0.3874 7.83(1.262.17)0.24 1712 () () (20.121)5.1 0.2(0.15) 24(5) 4035.754.25 1640.75390.75 1516 3.641(2.
4、09) ()45 ()522203723 6.24.53.8 () 1010 7(0.352) () 4143() 8.50.7556.51 10.540.90.75 99924()3 () () () () (1) (5)(1) (3211) 41()73.2525.48 6434 (4) ()16015(25) 6.41.253 0.254() () () 15.632(1)3.6 ()12.5 (1 + ) - 0 ( + ) 3.68 1 (2 2.09 ) 2 (11.9- 8.4) 1.3 + 20 .0183+ 1.7200.1(0.40.8)(2.512.5) 1xx 2.1x
5、7.9x0.29 127x0.3 3.2(1)32 1243 99 3.7541.63 12.52.50.4 31 13.92(1.199.92)2.815566(1111)40.24802.4 () ()(4):30 x1 = 63-1.8x=7.280799+807 25 0.6+3.1+5.4+6.9 1-(-)() 0.52.512.564 2X=0.5 XX= 2:(1X)= 0.36:X=: 80.516 7560240.6(2)2 (3112.51)13 70.2420.875:x x x 9.45 3.752x1 3x44.715.814.2 21.60.840.84 33.7
6、3.65.33 (1.52)3.7530 130%52 -37.5%=0.125 12X 5 X3.25417 1 (1- ) (37.5%)484.67(2.980.67) 46 20() 13 30() 1.250.25= X 1.6 =30% X X=42 () 3754501825 1() 1 (3) () 93.6 (1.20.6)5 () 2.3755.625 ()+ X = 4 = 4X2.541.5 9 56 (2296734436)2.4() 49 3.8 3.8450.81.25 () 【()】 x=18 x =4 4x3 9 = 29 x + x = 41258 ()24 () 3 3 7 8.92 6.1 0.36101 1723-237 20(5.6 + 4.8)1.3 3.2(2.15 + 1.956.5) ( + ) + 36( + ) +(8+) 236(1- ) + 6 8.4 6 + 6(+)3.6 + + 76XX = X= 15 40%X - = 1 () ()2