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学习了一次方程组后,同学们应联系前面所学知识,挖掘题目中的隐含条件,构造二元一次方程组解决问题,从而既沟通了新旧知识
After studying a system of equations, the students should contact the previous knowledge, explore the implicit conditions in the topic, construct a binary equation system to solve the problem, and communicate both the old and new knowledge.