Khan/khan-exercises — Issue #4972: Addition 1 - ds
Author: KhanBugz
Created: 2011-10-25 14:41:40+00:00
State: open
Labels: chrome, win7

2 plus 2

[addition_1.html?seed=123&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_1.html?seed=123&problem=0&debug)

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

MathJax is loaded, ready, queue length: 0