| 标题 | 发布时间 | 回答数 | 提问者 |
|---|---|---|---|
| 在R t∆ABC中，∠C=90度，AC [几何图形的初步认识] | 2020-12-19 | 3 | ******iu |
| 已知BE垂直于AC，CF垂直于AB，点 [几何图形的初步认识] | 2020-12-19 | 1 | ******iu |
| 老师，这道题该怎么做 [几何图形的初步认识] | 2020-12-19 | 3 | ******9ttxs |
| 选择题 [几何图形的初步认识] | 2020-12-19 | 1 | ******745459186429 |
| 填空题 [几何图形的初步认识] | 2020-12-19 | 1 | ******745459186429 |
| 解答问题 [几何图形的初步认识] | 2020-12-19 | 1 | ******745459186429 |
| 填空题 [几何图形的初步认识] | 2020-12-19 | 1 | ******745459186429 |
| 第八题 [几何图形的初步认识] | 2020-12-19 | 1 | ******fw |
| 怎么做 [几何图形的初步认识] | 2020-12-19 | 1 | ******fw |
| 怎么做 [几何图形的初步认识] | 2020-12-19 | 1 | ******fw |
| 怎么做 [几何图形的初步认识] | 2020-12-19 | 1 | ******fw |
| 怎么做 [几何图形的初步认识] | 2020-12-19 | 3 | ******fw |
| CE垂直于AB于点E，BD垂直于AC于 [几何图形的初步认识] | 2020-12-19 | 3 | ******iu |
| 详细答案 [几何图形的初步认识] | 2020-12-19 | 1 | ******758628 |
| 数学 [几何图形的初步认识] | 2020-12-19 | 1 | ******943695 |
| 数学 [几何图形的初步认识] | 2020-12-19 | 3 | ******943695 |
| AB=AC，BD=CD，DE垂直于AB [几何图形的初步认识] | 2020-12-19 | 3 | ******iu |
| 数学 [几何图形的初步认识] | 2020-12-19 | 1 | ******319536 |
| 可不可以用反证法 [几何图形的初步认识] | 2020-12-19 | 6 | ******554431250406 |
| 数学 [几何图形的初步认识] | 2020-12-19 | 1 | ******319536 |
