Khan/khan-exercises — Issue #10475: Evaluating expressions 2 - wrong button
Author: KhanBugz
Created: 2012-01-05 23:01:09+00:00
State: open
Labels: chrome, hard, win7

i knew the answer to the problem but i hit the wrong button now i lost lots of points and have to basically restart. it need to ask if your shur that this is your answer so that this stops happening and i can move on to next lesson

[evaluating_expressions_2.html?seed=195&problem=a-squared-plus-b](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/evaluating_expressions_2.html?seed=195&problem=a-squared-plus-b&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/evaluating_expressions_2.html?seed=195&problem=a-squared-plus-b&debug&activity=%5B%5D)

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Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.63 Safari/535.7

MathJax is loaded, ready, queue length: 0