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Is BGO an Elitist Society?

Posted By: Keene
Date: Thursday, 11 December 2008, at 10:49 p.m.

In Response To: Is BGO an Elitist Society? (Chuck Bower)

Actually, you can take the (x-y)*(x+y) a little further too, its quite easy to do.

Suppose you want to know what 18*14 is, then just take 16*16 = 256 - (18-16)*(16-14) = 252

Just seeing that each side is symmetrical means that you subtract the square of that symmetry from the middle square - sounds complex? Not really.

Try it with things like 21*19, 12*8, 22*4 (13*13) - 81 = 88

Obviously the last one is extreme, but it serves as an example.

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