一个猜想不等式的证明

The Proof of a Conjecture of the Inequality in the Trianghle

运用三角形的Fermat点问题的结论和三个引理,证明刘健提出的涉及平面上任一点到三角形三顶点距离之和的一个猜想不等式.

By using the result of Fermat＇s Point in the triangle, a conjecture of the inequlity concerning the distances between a point and three vertexes of a triangle which was posed by Jian Liu is proved.