8.9953用四舍五入的方法保留三位小数是 ,保留两位小数是 .
: =0.125=3÷ = :16.
18÷ == :75= %= 折.
14÷ =0.35= :60= %= : .
÷ == (填小数)== ÷24.
=== ÷ = (小数)