如图用数字卡片能摆出几个两位数?写在下面. .
=== ÷8= (填小数).
:30= %="0.6=1" 2÷ = (填分数)
:20==0.8= ÷15= %.
9:15==24÷ = %= (填小数)
4÷5= :40== %