一个因数是60,另一个因数是88,他们的积是 .
:===0.25.
35: =0.625= ÷ = × .
= (小数)= (百分数)=12: = 折.
1=20.4÷( )=2=3.4= :0.5.
:200=8÷ =0.25== %