Four is equal to five

October 13, 2009 at 7:52 am · Filed under Math Jokes

Theorem: 4 = 5
Proof:
-20 = -20
16 – 36 = 25 – 45
4^2 – 9*4 = 5^2 – 9*5
4^2 – 9*4 + 81/4 = 5^2 – 9*5 + 81/4
(4 – 9/2)^2 = (5 – 9/2)^2
4 – 9/2 = 5 – 9/2
4 = 5

Related Jokes:

  1. Equal positive integers
  2. Dollars equal ten cents
  3. One plus one are two
  4. All numbers are equal
  5. Proof E equal to one

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