| 标题 | 发布时间 | 回答数 | 提问者 |
|---|---|---|---|
| 看不懂 [几何图形的初步认识] | 2024-10-06 | 1 | jde***uqq |
| 数学T25 [几何图形的初步认识] | 2024-10-06 | 1 | a13***273 |
| 数学T23 [几何图形的初步认识] | 2024-10-06 | 1 | a13***273 |
| 数学 [几何图形的初步认识] | 2024-10-06 | 1 | jd1***694 |
| 数学 [几何图形的初步认识] | 2024-10-06 | 1 | jd1***694 |
| 数学 [几何图形的初步认识] | 2024-10-06 | 1 | jd1***694 |
| 数学 [几何图形的初步认识] | 2024-10-06 | 1 | jd1***694 |
| 为什么? [几何图形的初步认识] | 2024-10-06 | 1 | jdh***ayc |
| 老师请问为什么知道角2=角3。角 A [几何图形的初步认识] | 2024-10-06 | 3 | jde***uqq |
| 数 [几何图形的初步认识] | 2024-10-06 | 1 | jdh***fqt |
| 数 [几何图形的初步认识] | 2024-10-06 | 1 | jdh***fqt |
| 数学2 [几何图形的初步认识] | 2024-10-06 | 1 | a15***863 |
| 筝形 [几何图形的初步认识] | 2024-10-06 | 1 | jdh***kzn |
| 如图，在三角形ABC中，角C=90度，AD是三角形BAC的角平分线，DE丄AB，交AB于点 [几何图形的初步认识] | 2024-10-06 | 1 | a18***062 |
| 如图，角ABD=角ACD=90度，角1=角2。求证:AD平分角BAC [几何图形的初步认识] | 2024-10-06 | 5 | a18***062 |
| 老师第十题怎么做？ [几何图形的初步认识] | 2024-10-06 | 1 | a15***490 |
| 如图，AB=AC，BD=CD，DE丄AB于点E，DF丄AC于点F，求证:DE=DF [几何图形的初步认识] | 2024-10-06 | 1 | a18***062 |
| RT三角形 [几何图形的初步认识] | 2024-10-06 | 1 | JD1***612 |
| 如图，CA=CD，角1=角2，BC=EC(1)求证:AB=DE (2)当角A=21度，角E [几何图形的初步认识] | 2024-10-06 | 1 | a18***062 |
| 题 [几何图形的初步认识] | 2024-10-06 | 1 | a18***586 |
