The owl lived on a tree.
参照以上两个求不等式解集的过程，借助一元二次方程的求根公式，直接写出关于x的不等式ax2+bx+c＞0（a＞0）的解集．
At the farewell party, Kobe Bryant said, " the support of my fans, it would be hard for me to achieve such great success.”
下列对男女同学的交往认识正确是( )
