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一元二次方程的整数解历来是数学竞赛中的热点问题之一,题型多变、难度大是这类问题的特点．但其解法仍然是有章可循的,本文就这类问题的解法用实例加以说明．
The integer solution of quadratic equations has always been one of the hot topics in mathematics competitions. Variability and difficulty are the characteristics of these problems. However, its solution is still rule-based, and the solution to this type of problem is illustrated by examples.