Álgebra

https://plus.google.com/collection/0T7VWB

https://youtu.be/buDoNdP7urQ

La raiz cuadrada

"la_raiz_cuadrada_reg_80834.3gp" http://video.ucweb.com/#!/search?count=-1!!filterCate=!!filterOrder=0!!srhWord=la_raiz_cuadrada_reg_80834.3gp--From UC Browser HD (http://www.ucweb.com)

Álgebra

Algebra: https://www.youtube.com/playlist?list=PL1LNQmVsQhoOf02AYYDIEmcsSr1_zMLcI

Ecuaciones de primer grado

https://youtu.be/8Zb_rz4skfs