1.2:3/5化成最简整数比是_,比值是_.

问题描述:

1.2:

3
5
化成最简整数比是______,比值是______.

化成最简整数比是:1.2:

3
5
=
12
10
3
5
=
6
5
3
5
=(
6
5
×5
):(
3
5
×5
)=6:3=(6÷3):(3÷3)=2:1
比值是:1.2:
3
5
=
12
10
3
5
=
12
10
÷
3
5
=
12
10
×
5
3
=2.
故填:2:1,2.