{y-x2=1 {x-y=-1
3способами даю 50балов

{y-x2=1 {x-y=-1 складываемy-x^2+x-y=1-1x-x^2=0x(1-x)=0x1=0y1=1x2=1y2=2=======================y=x+1x+1-x^2=1x(1-x)=0x1=0  y1=1x2=1  y2=2=====================y=1+x^2x-(1+x^2)=-1x-x^2=0x(1-x)=0x1=0  y1=1x2=1  y2=2ответ ( 0 1) (1 2)