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五年级的脱式计算简便

30.8÷[14-(9.85+1.07)] [60-(9.5+28.9)]÷0.18 2.881÷0.43-0.24*3.5 20*[(2.44-1.8)÷0.4+0 0.78+5.436+1 4.07*0.86+9.12.5 脱式计算(能简算要简算) 3.8+4.29+2.71+6.2 12.5

3.29+0.73+2.27 3.29-0.73-2.27 7.5+2.5-7.5+2.57.325-3.29-3.325 7.325-(5.325+1.7) 7.325-(5.325-1.7) 3.29+0.73-2.29+2.27 3.29*0.25*4 0.125*8.8 0.25*0.28 0.125*3.2*2.5 35*40.2 0.25*4÷0.25*4 3.5*9.9 3.5*99+3.5 3.5*101-3.5 3.5*9.9+3.5*0.1

下面各题怎样算简便就怎样算.6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.89)4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75+6.48)3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8

408-12*24 = 408 - 288 = 120 (46+28)*60 = 74 x 60 = 444042*50-17 = 2100- 17 = 208332+105÷5 = 32 + 21 = 53420*(327-238) = 420 x 89 = 37380(4121+2389)÷7 = 6510 ÷7 = 9303.416÷(0.016*35) = 3.416 ÷0.56 = 6.10.8*[(10-6.76)÷1.2] = 0.8 x(3.

75÷〔138÷(100-54)〕 85*(95-1440÷24)80400-(4300+870÷15) 240*78÷(154-115)1437*27+27*563 〔75-(12+18)〕÷152160÷〔(83-79)*18〕 280+840÷24*5325÷13*(266-250) 85*(95-1440÷24)58870÷(105+20*2) 1437*27+27*56381432÷(13*52

45.55-(6.82+15.55) 34.52-17.87-12.23 6.43-(1.4-0.57) 23.75-8.64-3.46 17.83-9.5-7.83-0.5 5.38+88.2-2.38+1.8 27.38-5.34+2.62-4.66 21.63-(8.5+9.63) 7.5-2.45+7.5+2.45 5.09-(0.09+1.23) 9.36-(4.36-3.5) 609-708+306-108+202-198+497-100

第一单元:一、 口算题( 12分 ) 4.4÷11= 0.3*0.3= 0÷730= 0.03*10-0.1= 7÷5= 0.25÷0.5= 0.53*7= 125*0.5*0.8= 1.9*0.5= 29*5= 2.3*0.8= 0.2*7.6*50= 二、 简算题( 6分 ) 9.9*8.6+0.86 三、 计算题(每道小题 6分 共 12分 ) 1. 3-7.14÷3.5*1.

17*40=680, 100-63=37, 3.2+1.68=4.88, 2.8*0.4= 1.12 14-7.4=6.6, 1.92÷0.04=48, 0.32*500=160, 0.65+4.35= 5 10-5.4=4.6, 4÷20=0.2, 3.5*200=700, 1.5-0.06=1.44 0.75÷15=0.05, 0.4*0.8=0.32, 4*0.25=1, 0.36+1.54=2 1.01*99=99.99, 420÷35=12,

脱式计算. 408-12*24 (46+28)*60 42*50-1715÷5 32+105÷5 (108+47)*52 420*(327-238) (4121+2389)÷7 671*15-974 469*12+1492 405*(3213-3189) 5000-56*23 125*(97-81) 6942+480÷3 304*32-154 20+80÷4-20= 100÷(32-30)*0= 25*4-12*5

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