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在解某些几何题时,由于题设不能唯一确定图形,致使有的同学只根据一种情况进行计算,而造成解的遗漏,现举有关圆的几例以引起重视。
When solving certain geometric problems, because the questions cannot be uniquely determined, some students only calculate according to one situation, resulting in the omission of solutions.