Khan/khan-exercises — Issue #11508: Properties of numbers 1 - losers
Author: KhanBugz
Created: 2012-01-18 11:31:17+00:00
State: open
Labels: firefox, win7, wrong-or-unclear

you website sucks

[properties_of_numbers_1.html?seed=166&problem=associative-show-left](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/properties_of_numbers_1.html?seed=166&problem=associative-show-left&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/properties_of_numbers_1.html?seed=166&problem=associative-show-left&debug&activity=%5B%5D)

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Mozilla/5.0 (Windows NT 6.1; rv:5.0.1) Gecko/20100101 Firefox/5.0.1

MathJax is loaded, ready, queue length: 7

Your internet might be too slow to see an exercise. Refresh the page or report a problem.

http://www.khanacademy.org/khan-exercises/utils/MathJax/1.1a/jax/output/HTML-CSS/fonts/TeX/fontdata.js: error