1没有倒数. (判断对错)
女生与男生人数的比是5:8,男生人数是女生人数的160%. .
7÷ = :12=== (小数)= %
0.375= :8==6÷ = %
=4÷5=32: = %= 折.
=10÷ = ÷0.3=.