Fast Arithmetic Tips - Three categories: defensive - know to check an answer, offensive - fast mental calculations, and math magic.


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Category: Main » Science » Math » Recreations	UPDATE URL \| REPORT BROKEN LINK
Fast Arithmetic Tips	Popularity: Hit: 73

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	Three categories: defensive - know to check an answer, offensive - fast mental calculations, and math magic. Sponsored Links:
URL:	http://www.cut-the-knot.com/arithmetic/rapid/index.shtml
Title:	Fast Arithmetic Tips from Interactive Mathematics Miscellany and Puzzles
Description:	Fast Arithmetic Tips from Interactive Mathematics Miscellany and Puzzles. Fast Arithmetic Tips, index
Specialized in:	Mathematics - Math Help - Arithmetic - Fun - Puzzles - Fast - Rapid - Calculation

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