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About caike

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  1. observe the spiral

    Sorry, I'm wrong...
  2. observe the spiral

    The lengths of the sides of the spiral follow Fibonacci sequence?
  3. Making something from nothing

    Am I allowed to use "^2"(square) here?
  4. Making something from nothing

    (0!+0!+0!+0!+0!)^2 = 25
  5. Of dogs and men

    Sorry, I think I am wrong...
  6. Of dogs and men

    I think the answer for the length of the dog's path could be 50*sqrt(65) feet.