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0.125x4.8x0.5简便运算

0.125*4.8*0.5=(0.125*8)*(0.6*0.5)=1*0.3=0.30.125*4.8*0.5=(0.125*4)*(1.2*0.5)=0.5*0.6=0.3

展开全部0.125x4.8x0.25 =0.125*8*(0.25*2)*0.3=1*0.5*0.3=0.15

0.125X3.2X0.5=0.125X8*0.4X0.5=1*0.2=0.2

0.125*4.8*800=0.125*800*4.8=100*4.8=480

0.25x4.8x0.5用简便法算=0.25x4x1.2x0.5=1x0.6=0.6

24*0.125*0.5=3*8*0.125*0.5=3*1*0.5=1.5

解0.125x2.5x64x0.5=0.125x2.5x8*8x0.5=0.125x8x2.5*8x0.5=(0.125x8)x(2.5*8)x0.5=1*20*0.5=10

0.125*16*0.5=0.125*8*2*0.5=1*1=1

1/8*1/4*64 =1/8*64*1/4 =8*1/4 =2

0.125*4.8*0.5=(0.125*8)*(0.6*0.5)=1*0.3=0.3

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