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Please submit site that contains problem of the week or month. Must be current and updated regularly.
This category includes site containing weekly or monthly problems. Every week or month, new problems will be given out and students will have some time to work on the problem. Solutions will be posted at the end of the week or month while a new problem will come out.
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Last update: Saturday, September 21, 2013 5:33:48 PM EDT - edit