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我们知道,二元一次方程组是初中数学的重要内容,初学时有些内容易混淆,需要搞清楚。一、二元一次方程与二元一次方程组
We know that the binary system of primary equations is an important part of junior high school mathematics. It is confusing to begin with, and it needs to be clarified. First, binary first order equation and binary first order equations