| 标题 | 解决时间 | 回答数 | 回答者 |
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| 2020-10-06 | 3 | ||
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| 如果想要证明两直线平行,就假设他不平行 [不确定] | 2020-10-06 | 1 | |
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| 一 [几何图形的初步认识] | 2020-10-06 | 1 | |
| 一 [几何图形的初步认识] | 2020-10-06 | 1 |

