如果甲数的20%与乙数的相等,那么甲数小于乙数. .(判断对错)
:20=4: =0.8== %
÷12=12: =75%═ 小数.
5÷8=== :64= %
÷8==0.5= %= : .
=0.25=4÷ = :28= %