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John D. Cook
@johndcook
I turn business problems into math problems then solve them.
ID: 17522755
http://johndcook.com 20-11-2008 21:23:04
35,35K Tweet
52,52K Followers
219 Following
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@johndcook
I turn business problems into math problems then solve them.
ID: 17522755
http://johndcook.com 20-11-2008 21:23:04
35,35K Tweet
52,52K Followers
219 Following