Penrose Stairway

Autor:Ivan De Winne

The Penrose stairs or Penrose steps, also dubbed the impossible staircase, is an impossible object created by Lionel Penrose and his son Roger Penrose.

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Dividing a 3-digit number by a 1-digit number (2)
Dividing a 3-digit number by a 1-digit number (1)
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Dividing a 2-digit number by a 1-digit number (2)
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