题目内容
下面的四个数能组成比例吗?能组成几个?写出来.
.
| 3 |
| 8 |
| 2 |
| 3 |
| 3 |
| 10 |
| 5 |
| 6 |
因为
×
=
×
,所以能组成的比例有:
:
=
:
,
:
=
:
,
:
=
:
,
:
=
:
,
:
=
:
,
:
=
:
,
:
=
:
,
:
=
:
.
一共能组成8个不同的比例.
| 3 |
| 8 |
| 2 |
| 3 |
| 3 |
| 10 |
| 5 |
| 6 |
| 3 |
| 8 |
| 3 |
| 10 |
| 5 |
| 6 |
| 2 |
| 3 |
| 3 |
| 8 |
| 5 |
| 6 |
| 3 |
| 10 |
| 2 |
| 3 |
| 3 |
| 10 |
| 3 |
| 8 |
| 2 |
| 3 |
| 5 |
| 6 |
| 5 |
| 6 |
| 3 |
| 8 |
| 2 |
| 3 |
| 3 |
| 10 |
| 5 |
| 6 |
| 2 |
| 3 |
| 3 |
| 8 |
| 3 |
| 10 |
| 3 |
| 10 |
| 2 |
| 3 |
| 3 |
| 8 |
| 5 |
| 6 |
| 2 |
| 3 |
| 5 |
| 6 |
| 3 |
| 10 |
| 3 |
| 8 |
| 2 |
| 3 |
| 3 |
| 10 |
| 5 |
| 6 |
| 3 |
| 8 |
一共能组成8个不同的比例.
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