问题
填空题
|
答案
(1)
:2,2 5
=(
×5):(2×5),2 5
=2:10,
=1:5;
:2,2 5
=1:5,
=1÷5,
=
.1 5
(2)1.2米:40厘米,
=120厘米:40厘米,
=120÷40,
=3.
故答案为:1:5,
,3.1 5
|
(1)
:2,2 5
=(
×5):(2×5),2 5
=2:10,
=1:5;
:2,2 5
=1:5,
=1÷5,
=
.1 5
(2)1.2米:40厘米,
=120厘米:40厘米,
=120÷40,
=3.
故答案为:1:5,
,3.1 5