3 times 9

Elementary, Humor 1 Minute

xkcd3x9

Source: http://www.xkcd.com/759/

In the same vein, see also the explanation for why 25 divided by 5 is 14.

Unknown's avatar

Published by John Quintanilla

I'm a Professor of Mathematics and a University Distinguished Teaching Professor at the University of North Texas. For eight years, I was co-director of Teach North Texas, UNT's program for preparing secondary teachers of mathematics and science.

Published

Leave a comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.