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제목1st LS(220814) 1-3 Medians and Altitude of Triangles (PDF 222)2022-08-14 15:18:45
작성자 Level 10

https://youtu.be/r1upqcT_D20 

이전2nd LS(220820) 1-5 Indirect Proof (PDF 59) Level 102022-08-20
-1st LS(220814) 1-3 Medians and Altitude of Triangles (PDF 222) Level 102022-08-14