[제2회] 상상행렬의 역행렬 전기현 0 1735 0 0 2022.05.01 15:25 ![Screenshot 2022-05-01 at 20.09.42.png](https://freshrimpsushi.com/community/data/editor/2205/2615581243_1651403392.6087.png "Screenshot 2022-05-01 at 20.09.42.png") 0 0