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January 25, 2015

January 25, 2015

Posted by **rayray** on Thursday, September 8, 2011 at 10:39pm.

- math -
**MathMate**, Friday, September 9, 2011 at 4:40pmTake the reciprocal and change the sign of the exponent.

Example:

5^(-2)=1/(5^2)

You will have to judge what else to do according to the problem.

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