someguy3 , vor einem Monat (Bearbeitet vor einem Monat) I really think Khan Academy should publish a textbook that everyone can use. Cheap or free, doesn't change every year, allowed to print out yourself. Isn't one of the Gates kids doing some educational reform?
I really think Khan Academy should publish a textbook that everyone can use. Cheap or free, doesn't change every year, allowed to print out yourself.
Isn't one of the Gates kids doing some educational reform?