Khan/khan-exercises — Issue #10551: Pre-algebra challenge - i dont like it
Author: KhanBugz
Created: 2012-01-06 17:59:03+00:00
State: open
Labels: hard, ie8, win7

[pre-algebra_challenge.html?seed=26&problem=perfect-squares (simplifying_radicals)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=26&problem=perfect-squares&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=26&problem=perfect-squares&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B15%2C225%5D%22%2C13%5D%2C%5B%22incorrect-activity%22%2C%22%5B12%2C225%5D%22%2C6%5D%2C%5B%22incorrect-activity%22%2C%22%5B12%2C225%5D%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B15%2C225%5D%22%2C8%5D%2C%5B%22incorrect-activity%22%2C%22%5B225%2C15%5D%22%2C5%5D%5D)

[[15,225],[12,225],[12,225],[15,225],[225,15]]

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