B2: li ?? x = x1 + x2 c?a dao ??ng t?ng h?p t?i th?i ?i?m ban ??u ???c bi?u di?n b?ng OM? = OM1? + OM2?You can be ecstatic by the magnificent splendor of the Trau Lagoon with creamy sand dunes stretches within the foot with the imposing cliffs. Effortlessly admiring the sight can make you fail to remember any issues, sorrows of lifetime.M?