TED-Ed

How to defeat a dragon with math - Garth Sundem (2013x15)

Data de estreia: Jan 15, 2013

Having trouble remembering the order of operations? Let's raise the stakes a little bit. What if the future of your (theoretical) kingdom depended on it? Garth Sundem creates a world in which PEMDAS is the hero but only heroic when in the proper order.