Khan/khan-exercises — Issue #9725: Adding and subtracting polynomials - dont get it 
Author: KhanBugz
Created: 2011-12-28 22:14:35+00:00
State: open
Labels: chrome, win7, wrong-or-unclear

g00d website but you guys need to have different kinds of questions

[adding_and_subtracting_polynomials.html?seed=17&problem=add](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_polynomials.html?seed=17&problem=add&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_polynomials.html?seed=17&problem=add&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22None%20of%20the%20above.%5C%22%22%2C28%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22None%20of%20the%20above.%5C%22%22%2C2%5D%5D)

["None of the above.","None of the above."]

Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.63 Safari/535.7

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