Khan/khan-exercises — Issue #12084: Subtraction 4 - energy
Author: KhanBugz
Created: 2012-01-25 16:48:28+00:00
State: open
Labels: chrome, other, snowleo

you take away toooooo much enrgy if you mistake the first time

[subtraction_4.html?seed=100&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtraction_4.html?seed=100&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtraction_4.html?seed=100&problem=0&debug&activity=%5B%5D)

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Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.77 Safari/535.7

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