Q&A #403

Teachers' Lounge Discussion: Number Theory and Trigonometry

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From: miltos karam

To: Teacher2Teacher Public Discussion
Date: 2003122006:44:59
Subject: magik123

let X be a possitive integer,A the number of even digits B the number of odd digits and C the number of digits ..... we create the number ABC and we continue like that for the new number,if we do that we will end up at number 123!!! but how can we prove that? for example :X=43526,A=3,B=2,C=5 then ABC=X1=325..A1=1,B1=2,C1=3 and ABC=123.

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