Date: Jan 3, 2013 4:40 PM Author: Evan Romer Subject: math puzzle 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, this is the first year in their lifetimes that a year has had all digits different.)
Susquehanna Valley HS