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June 21st, 2011, 12:38
Originally Posted by Corwin View Post
Tracey is almost correct, the answer is the sqare root of 18!!
Corwin, get a calculator -> they put a square around the brackets so it's clearly 18. A proof would be to do it with the numbers 3 and 9 for example.

so very, very tired (Star Trek XI quote according to the Simpsons)
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