3/5:0.75化成最简整数比是_,比值是_.

问题描述:

3
5
:0.75化成最简整数比是______,比值是______.

(1)

3
5
:0.75
=
3
5
3
4

=(
3
5
×20):(
3
4
×20)
=12:15
=4:5;
(2)
3
5
:0.75
=4:5
=4÷5
=
4
5

故答案为:4:5,
4
5