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math puzzle
Posted:
Jan 3, 2013 10:06 PM
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A simple math puzzle:
This year, 2013, all the digits of the year are different. When was
the last time we had a year like this?
(It's been a while. For our students -- and even for some teachers --
this is the first year in their lifetimes that a year has had all
digits different.)
Evan Romer
Susquehanna Valley HS
Conklin NY
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