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April 17, 2014

Homework Help: math

Posted by lesly on Monday, March 14, 2011 at 5:02pm.

Find a shortcut for computing the sum: 1+3+5+7++11+13+15+17=?? Explain your shortcut and how you could use this same shortcut to find the sum of all the odd numbers form 45 to 99.

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