Khan/khan-exercises — Issue #9724: Properties of numbers 1 - i dont understand
Author: KhanBugz
Created: 2011-12-28 21:14:52+00:00
State: open
Labels: chrome, wrong-or-unclear, xp

Reporter: mztinkerbell45@hotmail.com

[properties_of_numbers_1.html?seed=100&problem=associative-show-left](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/properties_of_numbers_1.html?seed=100&problem=associative-show-left&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/properties_of_numbers_1.html?seed=100&problem=associative-show-left&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%223%5C%22%22%2C13%5D%2C%5B%22hint-activity%22%2C%220%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22incorrect-activity%22%2C%22%5C%225%5C%22%22%2C15%5D%5D)

["3","5"]

Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.63 Safari/535.7

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