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Q.E.D. #mathhumor #annarbor #economics #mes

via Instagram ift.tt/29XyfXA

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Uploaded on July 15, 2016

Q.E.D. #mathhumor #annarbor #economics #mes

via Instagram ift.tt/29XyfXA

52 views
0 faves
0 comments
Uploaded on July 15, 2016
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