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Add, subtract, multiply and/or divide the numbers1,2,3 to reach 1.  All three numbers must be used, but used only once in each calculation. You will have TEN WAYS to calculate 1 as the answer.  
3 - 2 x 1 = 1
from Witzzle Pro Series from Kaidy Educational Resources
3 / 1 - 2 = 1
(2+1) / 3 = 1
(3-2) x 1 = 1
(3-1) / 2 = 1
  3 x 1 - 2 = 1
  3 - 2 / 1 = 1
  1 / (3-2) = 1
  2 / (3-1) = 1
  3 / (2+1) = 1
  
  
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