0.11363636…写成简便形式是 ,保留三位小数约是 .4.03434…写作简便形式是 ,保留两位小数约是 .
÷15=0.8== %= 折.
1﹣1× =0 ÷ == : =75%
: =0.125= %==.
9÷ == :8=0.75= %= 折.
=0.375= ÷24= %