WTF is this "math" wizardry on the blackboard?

WTF is this "math" wizardry on the blackboard?

http://i.imgur.com/a3alD.jpg

original: http://i.imgur.com/a3alD.jpg

nsfw videos: nsfw

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Skinny

Skinny

gayteenpics

Twister

Twister

gayteenpics

Sepia

Sepia

ass

Fun in Bed (MIC)

Fun in Bed (MIC)

nsfw

Looking up towards heaven

Looking up towards heaven

Boobies

I'm built like a twig, but so[m]one can appreciate it, right?

I'm built like a twig, but so[m]one can appreciate it, right?

gonewild

Well, that was quick. (NSFW text)

Well, that was quick. (NSFW text)

funny

Tiny tits, partial face

Tiny tits, partial face

IndianBabes, dirtysmall

Awesome tits in the shower

Awesome tits in the shower

IndianBabes

can't have sex b/c o(f) broken pelvis= horny :)

can't have sex b/c o(f) broken pelvis= horny :)

gonewild

{M}y first time. Whats up GW?

{M}y first time. Whats up GW?

gonewild

There was some nice light in [m]y room this morning, so I started playing and...

There was some nice light in [m]y room this morning, so I started playing and...

GoneWildPlus

READ THE WHOLE THING FAGETS

READ THE WHOLE THING FAGETS

spacedicks

Before and After

Before and After

OnOff

done with [m]y shower

done with [m]y shower

gonewild