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Proof that an elephant and a flea have the SAME weight: Let e = weight of elephant f = weight of flea d = difference between e and f Therefore: e = f + d [Multiply both sides by (e -f)] e (e - f) = (f + d) (e - f) ee - ef = ef - ff + de - df [Subtract de from both sides] ee - ef - de = ef - ff - df e (e - f - d) = f (e - f - d) [Cancel (e - f - d) from both sides] e = f The weight of an elephant equals the weight of a flea, QED. |
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