摘要
本文对著名的外森比克不等式及芬斯列尔———哈德维尔不等式给出了简捷的三角证明.
Because the theories of infinitive by Rweitzenbock and Fensler -Hardweill are difficult for ordinary learners to learn or use ,in this essay .I would like to give a much simply way to prove the theories.
出处
《青海师专学报》
2004年第5期3-4,共2页
Journal of Qinghai Junior Teachers' College
