H
habill297


Giải hệ phương trình:
[TEX]\Large \left\{\begin{array}{l}x.2^{x-y+1}+3y.2^{2x+y}=2 \\ 2x.2^{2x+y}+3y.8^{x+y}=1 \end{array}\right.[/TEX]
[TEX]\Large \left\{\begin{array}{l}x.2^{x-y+1}+3y.2^{2x+y}=2 \\ 2x.2^{2x+y}+3y.8^{x+y}=1 \end{array}\right.[/TEX]
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