Saturday, March 23, 2013

2

2 is the only number to appear only once in Pascal's triangle.
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2 comments:

  1. Don NaffMarch 29, 2013 at 8:31 PM

    Here's a fascinating link showing many images of Pascal's triangle. And in all of 'em, 2's the only number to appear only once. :)

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  2. Amy W.March 31, 2013 at 11:19 AM

    you forgot to attach the link.

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