Sorry for the late, I had a problem with the internet
First of all we have correct the exercises we have har for: HOOOOMWOOORK!!!
Then, we add in theory section the Addition of "n" consecutive terms of a G.P.
If we multiplicate by "r" the term a7 of a G.P. we obtain a8:
1. S: a1 +
2.-1.= -a1 + r * an
Then Mario give us the global EXAAAAAAMS!!! and finally the activity of the worbook
Dentro de poco podreis ver el nuevo video se frank de la junglaaaaa!!!
EL NUEVO Y MEJORADO VIDEO