January 2019 1 20 Report
1. Rozwiąż algebraicznie i graficznie układ równań.
\left \{ {{y= -\frac{1}{2}x^2 }-3x+2 \atop {y=|x+3|-1}} \right.


2. Rozwiąż układ równań.
\left \{ {{x^2+y^2=1} \atop {xy=1}} \right.

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