߹̾ 21 ûʹ 2 ȸǿ ռ ڸ Ͼ ִ. 2020.9.21 ûʹڴ
߹̾ Ƶ (27) Ư ް Ȥ ұ óߴ.
ﵿ 1(˻ ) 28 Ż Ȥ ұ óߴ. ڿ ȭ ް ûŹ Ȥ ° A B ؼ óߴ. B 屳 C ؼ ̶ η ġߴ.
Ȥ ް û 質 ܾ ־ٰ ư δ ̺͡ ް ο Ż ǰ DZ ƴٰ Ǵߴ١ .
װ ǰ, ް ڵ( 10, 15ȸ) ȯ ϰ ȸ( 30ȸ, , δ ), м(16, , , δ ), ټ ǽϴ ٰ 縦 ߴٰ .
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