Khan/khan-exercises — Issue #15478: Number properties terminology 1 - it saying it wrong
Author: KhanBugz
Created: 2012-03-05 20:28:37+00:00
State: open
Labels: hard, ie8, xp

i now for a fact that this on is right but the web sight is sayig it is wrong but it is not i did all of the work that i needed to do but it saying my awnser is wrong and it making me mad because i always do the same thing and it is right but not this one i think someone needs to check out the number properties lesson because i thin there is a mistake.

[number_properties_terminology_1.html?seed=175&problem=distributive-variable](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/number_properties_terminology_1.html?seed=175&problem=distributive-variable&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/number_properties_terminology_1.html?seed=175&problem=distributive-variable&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22%3CCODE%20style%3D%5C%5C%5C%22DISPLAY%3A%20none%5C%5C%5C%22%20type%3D%5C%5C%5C%22math%2Ftex%5C%5C%5C%22%3Ea%2B(b%2Bc\)%3D(a%2Bb\)%2Bc%3C%2FCODE%3E%5C%22%22%2C8%5D%5D)

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

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322)

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