Khan/khan-exercises — Issue #14847: Adding and subtracting radicals - It's
Author: KhanBugz
Created: 2012-02-28 16:43:15+00:00
State: open
Labels: chrome, snowleo, wrong-or-unclear

It's Stupid

[adding_and_subtracting_radicals.html?seed=65&problem=three-radicals](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_radicals.html?seed=65&problem=three-radicals&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_radicals.html?seed=65&problem=three-radicals&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B3%2C3%5D%22%2C424%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2Cnull%5D%22%2C2%5D%5D)

[[3,3],[3,null]]

Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_7) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.91 Safari/534.30

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