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Mathematics Handbook/Multiplication

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Revision as of 17:46, 1 November 2010 by 206.130.173.55 (talk) (Created page with ';a x 0 = 0 ;a x 1 = a ;a x a = <math>a^2</math> ;a x -a = <math>-a^2</math>')
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a x 0 = 0
a x 1 = a
a x a = <math>a^2</math>
a x -a = <math>-a^2</math>