论文部分内容阅读
解一次方程组,主要手段是消元:代入消元或加减消元.这里讲的是在具体应用时如何进行整体处理,以提高解题质量.
Solve a system of equations, the main means is to eliminate the elements: substitution into the elimination or addition and subtraction elimination. Here is how the overall application in the specific application, in order to improve the quality of the problem.