СРОЧНО!!! Решите, пожалуйста.[tex]1) \left \{ {{ x^{2} -11y=26} \atop {x-y=4}} \right.
2) \left \{ {{x+y=4} \atop { x^{2} - y^{2} =32}} \right.
3) \left \{ {{y=x-5} \atop { x^{2} =10+ y^{2} }} \right.
4) \left \{ {{ x^{3}+ y^{3}=26 } \atop {x+y=2}} \right. [/tex]