25:2的最简整数比是______,比值是______,1.2米:40厘米的比值是______.
25:2的最简整数比是______,比值是______,1.2米:40厘米的比值是______....
25:2的最简整数比是______,比值是______,1.2米:40厘米的比值是______.
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(1)
:2,
=(
×5):(2×5),
=2:10,
=1:5;
:2,
=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.
2 |
5 |
=(
2 |
5 |
=2:10,
=1:5;
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,
1 |
5 |
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