“3个7.5是多少”列式是 ;0.37×5的积是 位小数.
4:5==36÷ = :30= (小数)= %= 折.
= :32=3÷8= %.
18: ==0.6=6÷ = %
:16=0.75== %
3÷8=15: = %= 折.