Multiplying with your fingers. You can check it out here.
Friday, November 06, 2009
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2 comments:
Since I can multiply rather quickly in my head and reading that whole explanation gave me a headache, I think I'm going to stay with the old fashioned way.
I thought it would be something like the 9x that I do on my knuckles...that anyone can do.
amy, it is nice to be old fashioned sometimes.
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