Lös ut     <i><font size=5>t</font></i>     ur sambandet nedan<br><p><img src="../phpmathpublisher/img/math_977_7d1ae934d4f5be8af93805d0c2e736c0.png" style="vertical-align:-23px; display: inline-block ;" alt="{y}/{t~+~u}~=~4v" title="{y}/{t~+~u}~=~4v"/><form action="ratta.php"><input type="submit" value="Visa r&auml;tt svar"></form><p></p>