大于0.2而小于0.3的最小两位小数是 ,最大两位小数是 .
÷ = %== 折= 小数.
=20÷ =12÷ =0.8= %
: ==5÷8= %= (填小数)
0.75==6÷ = :32= %
:10==6÷ = (填小数)= %