2๊ฐ ๋ค์ธ๋ คํ๋๋ฐ ํํฌ๋ผ๋ฅ ์ฌ๋ฉด ๋ฌด๊ฒ ์ฐจ์ด๋๋ฌธ์ ๋ถํธํ ๊น?๊ทธ๋ฆฌ๊ณ ํด๋ก๊ทธ๋ฆฝ์ธ๋ฐ x2 vs x2h ํ๋ฉด ํ์๊ฐ ๋ ์ข์๊น?
๋ X2 ์ถ์ฒ