2006-11-21T16:25:39Z https://www.matematicasies.com/sistema-2x2-nolineal#comment42 2006-11-21T16:25:39Z

<p><img src='https://www.matematicasies.com/local/cache-TeX/08296f27aefb427f257a88d587cf8d3e.png' style="vertical-align:middle;" width="270" height="42" alt="[x=-1; y=2] , [x=-2; y=1]" title="[x=-1; y=2] , [x=-2; y=1]"><br class="autobr"> </p>