a
<sub>1</sub>
<sup>2</sup>
+
b
<sub>1</sub>
<sup>2</sup>
=
c
<sub>1</sub>
<sup>2</sup>



<table border="1" cellpadding="10" rules="all">
<tr>
	<td>1</td><td>2</td><td bgcolor="grey"><td>3</td>
<tr>
	<td>1</td><td>2</td><td bgcolor="grey"><td>3</td><td>4</td>
<tr>
	<td></td><td></td><td bgcolor="grey"><td>3</td><td>4</td>
</table>


	<ul type="disc">
	<li>Jurek</li>
	</ul>
<br>
	<ul type="circle">
	<li>Jacek</li>
	</ul>
<br>
	<ul type"square">
	<li>Józek</
</body>
</center>
</html>