Khan/khan-exercises — Issue #4956: Properties of numbers 1 - save and keep progress and choose another one
Author: KhanBugz
Created: 2011-10-25 01:49:05+00:00
State: open
Labels: firefox, xp

Reporter: vipersc9@gmail.com

how do you do whats in the issue tittle.

[properties_of_numbers_1.html?seed=96&problem=commutative-show-left](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/properties_of_numbers_1.html?seed=96&problem=commutative-show-left&debug)

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Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.23) Gecko/20110920 Firefox/3.6.23 ( .NET CLR 3.5.30729)

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