Khan/khan-exercises — Issue #12404: Addition 1 - site is stuck
Author: KhanBugz
Created: 2012-01-29 19:07:48+00:00
State: open
Labels: chrome, not-showing, win7

[addition_1.html?seed=120&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_1.html?seed=120&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_1.html?seed=120&problem=0&debug&activity=%5B%5B%22correct-activity%22%2C%22%5C%2215%5C%22%22%2C8%5D%5D)

["15"]

Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.77 Safari/535.7

MathJax is loaded, ready, queue length: 0