Khan/khan-exercises — Issue #14255: Addition 2 - math
Author: KhanBugz
Created: 2012-02-20 22:45:47+00:00
State: open
Labels: ie8, ie9, other, win7

Reporter: trixi1438@yahoo.com

i did all these activities and earned bages and it blocked and showed it when i tryed to sign in

[addition_2.html?seed=60&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_2.html?seed=60&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_2.html?seed=60&problem=0&debug&activity=%5B%5D)

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