Math Problem Statement
二元一次
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Systems of Linear Equations
Formulas
a1x + b1y = c1
a2x + b2y = c2
代入法: 从一个方程解出一个未知数,再代入另一个方程
加减法: 通过加减两个方程消去一个未知数
矩阵法: 使用逆矩阵或行列式求解
Theorems
代入法
加减法
矩阵法
Suitable Grade Level
Grades 7-9