Khan/khan-exercises — Issue #13331: Pre-algebra challenge - Its very good us.
Author: KhanBugz
Created: 2012-02-08 01:31:20+00:00
State: open
Labels: firefox, other, win7

I like it to teach and quiz me.

[pre-algebra_challenge.html?seed=67&problem=25 (dividing_fractions)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=67&problem=25&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=67&problem=25&debug&activity=%5B%5D)

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Mozilla/5.0 (Windows NT 6.1; WOW64; rv:10.0) Gecko/20100101 Firefox/10.0

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