Khan/khan-exercises — Issue #12250: Number properties terminology 1 - Can't see
Author: KhanBugz
Created: 2012-01-27 03:08:48+00:00
State: open
Labels: chrome, not-showing, vista

Reporter: murphylafleur3@yahoo.com

I can't see the problem...at all

[number_properties_terminology_1.html?seed=111&problem=associative-variable](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/number_properties_terminology_1.html?seed=111&problem=associative-variable&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/number_properties_terminology_1.html?seed=111&problem=associative-variable&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%20%5C%5C%5C%22%3Ea%2Bb%3Db%2Ba%3C%2Fcode%3E%5C%22%22%2C16%5D%2C%5B%22hint-activity%22%2C%220%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C10%5D%2C%5B%22hint-activity%22%2C%220%22%2C26%5D%2C%5B%22correct-activity%22%2C%22%5C%22%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%20%5C%5C%5C%22%3Ea%2B(b%2Bc\)%3D(a%2Bb\)%2Bc%3C%2Fcode%3E%5C%22%22%2C39%5D%5D)

["a+b=b+a","a+(b+c)=(a+b)+c"]

Mozilla/5.0 (Windows NT 6.0) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.77 Safari/535.7

MathJax is loaded, ready, queue length: 0