题目内容
4.5:x=5
:
.
| 1 |
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| 2 |
| 9 |
4.5:x=5
:
,
5
x=
×4.5,
x×
=
×4.5×
,
x=
.
| 1 |
| 3 |
| 2 |
| 9 |
5
| 1 |
| 3 |
| 2 |
| 9 |
| 16 |
| 3 |
| 3 |
| 16 |
| 2 |
| 9 |
| 3 |
| 16 |
x=
| 3 |
| 16 |
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