Khan/khan-exercises — Issue #15555: Adding and subtracting polynomials - keeps going back
Author: KhanBugz
Created: 2012-03-06 17:21:11+00:00
State: open
Labels: chrome, other, win7

when i get an answer wrong it goes back

[adding_and_subtracting_polynomials.html?seed=141&problem=subtract](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_polynomials.html?seed=141&problem=subtract&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_polynomials.html?seed=141&problem=subtract&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22None%20of%20the%20above.%5C%22%22%2C95%5D%5D)

["None of the above."]

Mozilla/5.0 (Windows NT 6.1) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11

MathJax is loaded, ready, queue length: 0