<div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><i>"dünya tek devletten olsa, istanbul başkent olurdu..." </i></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">sinan sertöz e "elements" kitabı için tekrar teşekkür ediyoruz!</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><span style="color:rgb(37,37,37);font-family:Roboto,arial,sans-serif;font-size:18px"><a href="https://youtu.be/8C6IbJJ-mhM" target="_blank">https://youtu.be/8C6IbJJ-mhM</a></span><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><span style="color:rgb(37,37,37);font-family:Roboto,arial,sans-serif;font-size:18px"><br></span></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><a href="https://phys.org/news/2021-08-mathematician-reveals-world-oldest-geometry.html" target="_blank">https://phys.org/news/2021-08-mathematician-reveals-world-oldest-geometry.html</a><span style="color:rgb(37,37,37);font-family:Roboto,arial,sans-serif;font-size:18px"><br></span></div></div>