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证明一条线段是另外两条线段的和是初中几何中经常会遇到的一类题目,解(证)题的方法也多种多样。努力把基本方法掌握好,就可以达到功到渠成、举一反三的目的,大大提高我们分析和解决问题的能力。下面通过几个例题加以说明。
Prove a line segment is the sum of the other two line segments is often encountered in junior high school geometry a problem, solution (card) problem method is also varied. Trying to master the basic methods can achieve the goal of bringing about the best of both worlds and give top priority and greatly improve our ability to analyze and solve problems. Here are a few examples to illustrate.