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1、 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 10 9.564.8751.44 6 4.618.415 99.999999.9 4
2、16 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 () 60()17504501832 0.81(3.22.95) () 2.53.7
3、0.4 12() (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(2.09) ()45 ()522203723 6.24.53.8 () 1010 7(
4、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 2.1x7.9x0.29 127x0.3 3.2(1)32 1243 99 3.7541.
5、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 33.73.65.33 (1.52)3.7530 130%52 -37.5%=0.125
6、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- ) +