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Re: math puzzle
Posted:
Jan 5, 2013 10:28 AM
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1987.
Sent from my iPad
On Jan 5, 2013, at 10:12 AM, Evan Romer <evanromer@gmail.com> wrote:
> A long, long time. 1432?
>
> On Jan 4, 2013, at 9:08AM, Kathleen Ingalls wrote:
>
>> And they are consecutive integers! When was the last time that happened?
>>
>> On Jan 3, 2013, at 10:06 PM, Evan Romer wrote:
>>
>>> 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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>>
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