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**MathsIsFun****Administrator**- Registered: 2005-01-21
- Posts: 7,626

http://www.youtube.com/watch?v=Pj2NOTanzWI

What did you get for problem 2?

"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 105,257

Hi MathsisFun;

For the introductory problem:

I have heard of the controversy surrounding 45 000 000 000. I want you to know I do not favor the extremists who believe there is an integer larger than it.

I don't know about you but the problem before number 2, n^2 + 9 + 9 is amazing. That's a great toaster too,

I got a different answer to problem 3 but sorry that 8 pence answer totally beat me.

Excellent video!

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.****No great discovery was ever made without a bold guess. **

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