@LgΕ·
ͺ
½ φυL (nAlYEqε)|1771 N 6 10 ϊ
½ φ (¬x)
δ³ (ε )oTF°dγωΖEΆ»9N
δ (½ φ)oTF°dγωΖEΆ»9N