geometric inequalities for triangle 三角形几何不等式
This paper established two triangle inequalities containing angular parameter and the fundamental inequality of triangle was strengthened.
建立两个含角参数的三角形不等式，加强了三角形基本不等式。
Prove some inequalities involving a moving-point on the plane of triangle with it′s distance coordinates.
利用三角形的重心坐标，证明涉及三角形平面上一动点的一些不等式。
This paper presents a simple deduction of an inequality for heavy weighted triangles, and with it some new quadratic inequalities of three variants at any point within a triangle.
给出了大加权三角形不等式的一个简单推论，由之简捷地推导出一些新的涉及三角形内部任一点的三元二次型不等式。
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