0.25:4.5化为最简整数比是_,比值是_.

问题描述:

0.25:4.5化为最简整数比是______,比值是______.

(1)0.25:4.5,
=(0.25×4):(4.5×4),
=1:18;
(2)0.25:4.5,
=1:18,
=1÷18,
=

1
18

故答案为:1:18,
1
18