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  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -

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#1 2005-09-30 04:07:42

John E. Franklin
Star Member

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Last digit in multiplication.

Last digit in single digit multiplying.

Note left-right symmetry.

http://andorxor.0catch.com/mult_symmetry.jpg

Last edited by John E. Franklin (2005-09-30 04:10:16)


igloo myrtilles fourmis
 

#2 2005-10-24 05:41:59

kylekatarn
Power Member

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Re: Last digit in multiplication.

url is broken

 

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