[제2회] p=3인 상상행렬의 불능조건

전기현 0 1862 0 0 2022.05.02 12:21

![Screenshot 2022-05-02 at 12.44.58.png](https://freshrimpsushi.com/community/data/editor/2205/2615581243_1651463118.3423.png "Screenshot 2022-05-02 at 12.44.58.png")

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