Wednesday 6 March 2013

06/03/2013 - Four 4s (10-19) (**)

This puzzle is rated 2 star (medium).

Description




During this puzzle you can only use the following mathematical functions:
  • Addition
  • Subtraction
  • Multiplication
  • Division
  • Decimal point
  • Square-root
  • Brackets
  • Power (e.g. 4 to the power 4 is 4 x 4 x 4 x 4 = 256)
  • The number of 4 exactlyf 4 times.
Puzzle
Using only the mathematical functions and the number 4 (EXACTLY 4 times) construct the numbers from 10 to 19.

Check the solutions page for the correct answer.

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