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初中数学七年级下册(573题)


解方程组:\(\left\{ {\begin{array}{*{20}{l}} {y = 2x - 5} \\  {5x + 2y = 8} \end{array}} \right.\)



知识点:第八章 二元一次方程组


参考答案:\(\left\{ {\begin{array}{*{20}{l}}
{x = 2} \\
{y = - 1}
\end{array}} \right.\)

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