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初中数学七年级下册(573题)


解方程组\(\left\{ {\begin{array}{*{20}{l}}
{3x - 2y + z = 3} \\
{2x + y - z = 4} \\
{4x + 3y + 2z = - 10}
\end{array}} \right.\)



知识点:第八章 二元一次方程组


参考答案:\(\left\{ {\begin{array}{*{20}{l}}
{x = 1} \\
{y = - 2} \\
{z = - 4}
\end{array}} \right.\).

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