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ten*ten – ten = ninety (Posted on 20091025) 

In this alphametic equation, each of the small letters in bold denotes a different base b digit from 0 to b1. Neither t nor n can be zero.
(ten)*(ten)  ten = ninety
Determine the minimum value of b, for which there exists at least one solution to the above equation.
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Submitted by K Sengupta

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