Khan/khan-exercises — Issue #4920: Addition 4 - keepgetingitwrog
Author: KhanBugz
Created: 2011-10-24 20:36:17+00:00
State: open
Labels: firefox, xp

keepgetingitwrog

[addition_4.html?seed=118&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_4.html?seed=118&problem=0&debug)

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Mozilla/5.0 (Windows NT 5.1; rv:7.0.1) Gecko/20100101 Firefox/7.0.1

MathJax is loaded, ready, queue length: 0