This is drill problems to material which will be covered 
on Monday 22, see 
<A HREF="118remdr20.pdf">Remark</A>


<P>

Problems 1 -- 36, 39 -- 49 on 
<A HREF="118dr21.pdf"> this page
</A>
(if you do not have time to do all the drill 
problems do only odd numbered problems).