3/5:0.75化成最简整数比是_,比值是_.
问题描述:
:0.75化成最简整数比是______,比值是______. 3 5
答
(1)
:0.753 5
=
:3 5
3 4
=(
×20):(3 5
×20)3 4
=12:15
=4:5;
(2)
:0.753 5
=4:5
=4÷5
=
.4 5
故答案为:4:5,
.4 5