| 标题 | 发布时间 | 回答数 | 提问者 |
|---|---|---|---|
| ∆ABC中，AD是∠BAC 的平分线， [几何图形的初步认识] | 2020-12-19 | 1 | cek*** |
| AP，CP分别是∆ABC外角和∠MAC [几何图形的初步认识] | 2020-12-19 | 1 | cek*** |
| 在R t∆ABC中，∠C=90度，AC [几何图形的初步认识] | 2020-12-19 | 3 | cek*** |
| 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 | cek*** |
| 老师，这道题该怎么做 [几何图形的初步认识] | 2020-12-19 | 3 | w15***txs |
| 选择题 [几何图形的初步认识] | 2020-12-19 | 1 | JD1***429 |
| 填空题 [几何图形的初步认识] | 2020-12-19 | 1 | JD1***429 |
| 解答问题 [几何图形的初步认识] | 2020-12-19 | 1 | JD1***429 |
| 填空题 [几何图形的初步认识] | 2020-12-19 | 1 | JD1***429 |
| 第八题 [几何图形的初步认识] | 2020-12-19 | 1 | fcb*** |
| 怎么做 [几何图形的初步认识] | 2020-12-19 | 1 | fcb*** |
| 怎么做 [几何图形的初步认识] | 2020-12-19 | 1 | fcb*** |
| 怎么做 [几何图形的初步认识] | 2020-12-19 | 1 | fcb*** |
| 怎么做 [几何图形的初步认识] | 2020-12-19 | 3 | fcb*** |
| 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 | cek*** |
| 详细答案 [几何图形的初步认识] | 2020-12-19 | 1 | w13***628 |
| 数学 [几何图形的初步认识] | 2020-12-19 | 1 | w18***695 |
| 数学 [几何图形的初步认识] | 2020-12-19 | 3 | w18***695 |
| AB=AC，BD=CD，DE垂直于AB [几何图形的初步认识] | 2020-12-19 | 3 | cek*** |
| 数学 [几何图形的初步认识] | 2020-12-19 | 1 | d18***536 |
