0.8:4/15化成最简整数比是_,比值是_.
问题描述:
0.8:
化成最简整数比是______,比值是______. 4 15
答
(1)0.8:
,4 15
=
:4 5
,4 15
=(
×4 5
):(15 4
×4 15
),15 4
=3:1;
(2)0.8:
,4 15
=
÷4 5
,4 15
=
×4 5
,15 4
=3;
故答案为:3:1,3.