rational numbers?

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#108

From: MarknBren
Date: Fri, 13 Mar 1998 00:00

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can anyone tell me to what actions (i.e. addition, subtraction, multiplication,
and division) rational numbers are closed to? and why or why not.

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From: marknbren@aol.com (MarknBren)
Subject: rational numbers?
Date: 1998/03/13
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