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12.5×0.32×2.5简便计算

0.32*2.5*12.5=(0.4*2.5)*(0.8*12.5)=1*10=10

2.5*0.32*12.5=2.5*(0.4*0.8)*12.5=(2.5*0.4)*(0.8*12.5) =1*10=10

12.5*0.32*2.5=(12.5*0.8)*(0.4*2.5)=1*1=1

0.32*12.5*2.5 =0.8*0.4*12.5*2.5=12.5*0.8*2.5*0.4=10*1104.25/2.5*9.9+0.17=1/100*(425/25*99)+17/100=1/100[425/25*99+17]=1/100(17*99+17)=17/100*(99+1)=17/100*100=177.6*27+7.6*174-7.6=7.6*(27+174-1)=7.6*200=15209.9*34=1/10*(99*34)=1/10*[(100-1)*34]=1/10*[100*34-34]=1/10*(3400-34)=1/10*3366=336.6

12.5*0.32*2.5简便计算12.5*0.32*2.5=12.5*0.8*0.4*2.5=10*1=10

0.32*12.5*2.5=0.4**0.8*12.5*2.5=0.4*2.5*0.8*12.5=1*10=10

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0.32X12.5X2.5用简易算小学五年级解:0.32*12.5*2.5=0.4*0.8*12.5*2.5=(0.4*2.5)*(0.8*12.5)=1*10=10

12.5*2.5*0.32==(12.5*0.8)*(2.5*0.4)=10*1=1088*1.25=11*8 *1.25=11*1000=11000

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