1. 

   math_celebrity Administrator Staff Member

   Make 19 using only four four's
   
   4!-4-4/4
   
   To prove our work, we have:
   4! = 24
   24 - 4 = 20
   
   Since 4/4 = 1, we have:
   20 - 1 = 19

    

   math_celebrity, Mar 11, 2020

   #1
   
   

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