Uke 38

Pytagoras setning;
http://www.youtube.com/watch?v=X_laLrdILGA&feature=player_detailpage

Regne ut hypotenus med pytagoras setning;
http://www.youtube.com/watch?v=zY6nVaNpzDA&feature=player_detailpage

Regne ut katet med pytagoras;
http://www.youtube.com/watch?v=hTxA4x0rlMg&feature=player_detailpage

Rettvinket, likebeinet trekant;
http://www.youtube.com/watch?feature=player_detailpage&v=HUEZvqIbj_c

Uke 37

Nr. 12. Faktorisering og forkorting av brøker:
http://www.youtube.com/watch?feature=player_detailpage&v=tSqNpbzxb-I

Nr. 13. Bokstavuttrykk og formler
http://www.youtube.com/watch?v=li3uNt6fAo8&feature=player_detailpage

Nr. 14. Å lage og bruke formler

http://www.youtube.com/watch?feature=player_detailpage&v=ScgPVjaDrTI