把1.2米:80厘米化成最简整数比是_:_,比值是_.

问题描述:

把1.2米:80厘米化成最简整数比是______:______,比值是______.

(1)1.2米:80厘米,
=120厘米:80厘米,
=120:80,
=(120÷40):(80÷40),
=3:2;
(2)1.2米:80厘米,
=120厘米:80厘米,
=120÷80,
=1.5;
故答案为:3、2;1.5.