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by buddy on Fri Feb 27, 2009 5:44 pm
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by stapel_eliz on Fri Feb 27, 2009 6:54 pm
buddy wrote:simplify [sqrt(17)+sqrt(7)]*[sqrt(17)-sqrt(7)]
by buddy on Sat Feb 28, 2009 8:19 pm
by stapel_eliz on Sat Feb 28, 2009 10:20 pm
buddy wrote:17-7=10?
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