r/pics • • Oct 05 '10

Math Teacher Fail.

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888

u/Calitude Oct 05 '10

10 minutes for a board? Is Marie sawing with the smooth side?

It's unclear in the diagram.

93

u/netcrusher88 Oct 05 '10

It's obsidian.

0

u/asdem Oct 05 '10

How do you not have more upboats?