$1.\left\{\begin{matrix} x+\sqrt[4]{y-1}=1\\ y+\sqrt[4]{x-1}=1 \end{matrix}\right. 2.\left\{\begin{matrix} \sqrt{x+9}+\sqrt{y-7}=4\\ \sqrt{y+9}+\sqrt{x-7}=4 \end{matrix}\right. 3.\left\{\begin{matrix} \sqrt{x+5}+\sqrt{y-2}=7\\ \sqrt{y+5}+\sqrt{x-2}=7 \end{matrix}\right. 4.\left\{\begin{matrix} \sqrt{x}+\sqrt{2-y}=\sqrt{2}\\ \sqrt{x-2}+\sqrt{y}=\sqrt{2} \end{matrix}\right. 5.\left\{\begin{matrix} \sqrt{x}+\sqrt{y}=2\\ \sqrt{x+3}+\sqrt{y+3}=4 \end{matrix}\right. 6.\left\{\begin{matrix} x+y-\sqrt{xy}=3\\\sqrt{x+1}+\sqrt{y+1}=4 \end{matrix}\right. 7.\left\{\begin{matrix} \sqrt{y}(\sqrt{x}+\sqrt{x+3})=3\\ \sqrt{x}+\sqrt{y}=x+1 \end{matrix}\right. 8.\left\{\begin{matrix} \sqrt{x}+\sqrt{1+\frac{1}{y}}=\sqrt{\frac{x}{y}}\\ \sqrt{xy}+\sqrt{y+1}+\sqrt{1-x}=1 \end{matrix}\right. 9.\left\{\begin{matrix} \sqrt{x^{2}+x+2}-\sqrt{x+y}=y\\ \sqrt{x+y}=x-y+1 \end{matrix}\right. 10.\left\{\begin{matrix} \sqrt{x+y}+\sqrt{x-y}=1+\sqrt{x^{2}-y^{2}}\\ \sqrt{x}+\sqrt{y}=1 \end{matrix}\right.$
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