Khan/khan-exercises — Issue #9086: Addition 1 - Adding
Author: KhanBugz
Created: 2011-12-20 15:48:36+00:00
State: open
Labels: hard, ie8, win7

Reporter: ErAl002822@student.nbed.nb.ca

I can't do adding hard numbers and it's confusing for me and i do know all the numbers and but my brain is not working for working hard numbers

[addition_1.html?seed=82&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_1.html?seed=82&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_1.html?seed=82&problem=0&debug&activity=%5B%5D)

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