4.8*0.32+1.6*0.04简便计算
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4.8*0.32+1.6*0.04简便计算
4.8*0.32+1.6*0.04简便计算
4.8*0.32+1.6*0.04简便计算
=0.48*2*1.6+1.6*0.04
=0.96*1.6+1.6*0.04
=(0.96+0.04)*1.6
=1*1.6
=1.6
4.8*0.32+1.6*0.04
=1.6×3×0.32+1.6×0.04
=1.6×0.96+1.6×0.04
=1.6×(0.96+0.04)
=1.6×1
=1.6
4.8=1.6*3
所以:1.6*3*0.32+1.6*0.04=1.6*(3*0.32+0.04)=1.6*(0.96+0.04)=1.6*1=1.6