<div class="page">
<div class="mypro1">
	<img class="img1" src="images/ex6_3_a1.png" alt="Linux title" />
	<img class="img2" src="images/ex6_3_a2.png" alt="Linux title" />
</div>
<div class="mypro2">
	<img class="img1" src="images/ex6_3_a1.png" alt="Linux title" />
	<img class="img2" src="images/ex6_3_a2.png" alt="Linux title" />
</div>
<div class="mypro3">
	<img class="img1" src="images/ex6_3_a1.png" alt="Linux title" />
	<img class="img2" src="images/ex6_3_a2.png" alt="Linux title" />
</div>
<div class="mypro4">
	<img class="img1" src="images/ex6_3_a1.png" alt="Linux title" />
	<img class="img2" src="images/ex6_3_a2.png" alt="Linux title" />
</div>
<div class="mypro5">
	<img class="img1" src="images/ex6_3_a1.png" alt="Linux title" />
	<img class="img2" src="images/ex6_3_a2.png" alt="Linux title" />
</div>
</div>