Question

11£®ÏÂÁи÷×éÊýÖµÊÇ·½³Ì2x-y=3µÄ½âµÄÊÇ£¨¡¡¡¡£©

• A£® $\left\{\begin{array}{l}{x=1}\\{y=2}\end{array}\right.$
• B£® $\left\{\begin{array}{l}{x=2}\\{y=1}\end{array}\right.$
• C£® $\left\{\begin{array}{l}{x=1}\\{y=1}\end{array}\right.$
• D£® $\left\{\begin{array}{l}{x=2}\\{y=3}\end{array}\right.$

Answer 1

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