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平面向量载体下的三角形“四心”(重心、垂心、外心、内心)问题,是近几年各类试卷命题的一个热点,它具有较强的灵活性,富有一定的挑战性.其设计简洁明快,令人耳目一新.本文采撷数例,并就其解法略加评注,供同学们复习参考.
The triangle “four hearts” (center of gravity, vertical heart, external heart, inner heart) under the plane vector vector is a hot topic in various examination paper propositions in recent years. It has strong flexibility and certain challenges. Its design is simple and neat, it is refreshing. This paper picks up a few examples, and gives a commentary on its solution for the students to review the reference.