甲数的和乙数的20%相等,则甲乙两数的最简整数比是 : .
0.6== ÷30= %
9÷ =0.75= :24= %= 折.
9÷ =0.75== :36= %
6÷ = /16=0.25= :4= %
25÷ =6: =0.5.