己知甲×120%=乙÷=×丙=丁÷1.5,甲、乙、丙、丁中最小的数是 .
20÷ === :160= %
:40=15÷ ==0.625= %
3÷5== ÷30= %=9: .
.
÷16== ÷ = (小数)