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April 25, 2015

Homework Help: Proofs and numbers

Posted by yin on Wednesday, November 28, 2012 at 10:46am.

Imagine you are an old Chinese scholar teaching Proof and Numbersto Chinese princes. When you group
your pupils in rows of five, two are left over. If you group them in eights, only one is left over. So you
try it with rows of nine, but now you are left with seven pupils. What do you think would happen if
you grouped your pupils in rows of eleven? And can you guess how many pupils you have?

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