小学数学---熟记常见数据(共13页).doc

精选优质文档-倾情为你奉上常用分数、小数的互化=0.5=50=0.25=25 =0.75=75=0.2=20 =0.4=40 =0.6=60 =0.8=80=0.125=12.5 =0.375=37.5=0.625=62.5 =0.875=87.5专心-专注-专业=0.05 =0.15 =0.35 =0.45 =0.55 =0.65 =0.85 =0.95=0.0625 =0.03125=0. =0. =0. =0. =0.0.333 0.6670.167 0.833=0.0.143 =0.0.286=0.0.429 =0.0.571=0.0.714 =0.0.857熟记：常用圆周率的计算3.141=3.14 3.142=6.28