๋ฐฐ๊ฒฝ ์—†์Œ
Gold III
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B+
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insoohyun0901Gold III
insoohyun09013
Gold III 12455 until Gold II

์‚ผ๊ฐํ˜• ์ •์› solve!! (Steiner inellipse, Marden's theorem)

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