Khan/khan-exercises — Issue #4955: Addition 1 - 9
Author: KhanBugz
Created: 2011-10-25 01:41:08+00:00
State: open
Labels: chrome, win7

[addition_1.html?seed=161&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_1.html?seed=161&problem=0&debug)

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Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.202 Safari/535.1

MathJax is loaded, ready, queue length: 0