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用适当的方法解下列方程组:
\(\left\{ {\begin{array}{*{20}{l}} {5x - 2y = 3} \\ {x + 6y = 11} \end{array}} \right.\);
参考答案:\(\left\{ {\begin{array}{*{20}{l}} {x = \frac{5}{4}} \\ {y = \frac{{13}}{8}} \end{array}} \right.\)
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