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Old 05-12-2005, 04:41 PM
swolfe swolfe is offline
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Join Date: Nov 2004
Posts: 632
Default Re: Cool math shortcuts

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square 37 for me using your shortcut

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use a = 13

50*24 + 169 = 1369

EDIT: i picked 13 because 50*24 is instantaneous whereas i'd have to think a little about 40*34
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