小学常用小数、分数、百分数互化.doc

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1、常用小数、分数、百分数互化1/2=0.5=50%1/3=0.3≈0.333≈33.3%1/4=0.25=25%3/4=0.75=75%1/5=0.2=20%2/5=0.4=40%3/5=0.6=60%4/5=0.8=80%1/6=0.16≈0.167≈16.7%1/8=0.125=12.5%2/8=0.25=25%3/8=0.375=37.5%5/8=0.625=62.5%7/8=0.875=87.5%常用小数、分数、百分数互化1/2=0.5=50%1/3=0.3≈0.333≈33.3%1/4=0.25=25%3/4=

2、0.75=75%1/5=0.2=20%2/5=0.4=40%3/5=0.6=60%4/5=0.8=80%1/6=0.16≈0.167≈16.7%1/8=0.125=12.5%2/8=0.25=25%3/8=0.375=37.5%5/8=0.625=62.5%7/8=0.875=87.5%常用小数、分数、百分数互化1/2=0.5=50%1/3=0.3≈0.333≈33.3%1/4=0.25=25%3/4=0.75=75%1/5=0.2=20%2/5=0.4=40%3/5=0.6=60%4/5=0.8=80%1/6=0.1

3、6≈0.167≈16.7%1/8=0.125=12.5%2/8=0.25=25%3/8=0.375=37.5%5/8=0.625=62.5%7/8=0.875=87.5%常用小数、分数、百分数互化1/2=0.5=50%1/3=0.3≈0.333≈33.3%1/4=0.25=25%3/4=0.75=75%1/5=0.2=20%2/5=0.4=40%3/5=0.6=60%4/5=0.8=80%1/6=0.16≈0.167≈16.7%1/8=0.125=12.5%2/8=0.25=25%3/8=0.375=37.5%5/8=

4、0.625=62.5%7/8=0.875=87.5%