решите систему уравнений
[tex] \left \{ {{ x^{2} + y^{2} =10} \atop { x^{2} - y^{2} =-8} \right. [/tex]
[tex] \left \{ {{ x^{2} + y^{2} =10} \atop { x^{2} - y^{2} =-8} \right. [/tex]
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