Khan/khan-exercises — Issue #6131: Pre-algebra challenge - i don't know
Author: KhanBugz
Created: 2011-11-11 20:26:16+00:00
State: open
Labels: safari, snowleo

I don't know how to correctly input my answer

[pre-algebra_challenge.html?seed=7&problem=perfect-squares (simplifying_radicals)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=7&problem=perfect-squares&debug)

[[6,6],[6,36],[36,6],[36,6],[36,6],[36,6],[36,null],[36,null],[36,null],[36,null],[36,null],[36,null],[36,null]]

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