Brain Teaser: Just How Good Is Your Addition?

2 thoughts on “Brain Teaser: Just How Good Is Your Addition?”

1. 

   esther

   August 17, 2016 at 11:07 pm

   (2) 11 yrs

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2. 

   KELLY BLAINE

   April 16, 2017 at 6:26 pm

   The answer is 3.
   PROOF:1+2+3=6;7+8+2=17-the first answer(6)=11

   5+1+4=10; 3+4+6=13-10=3

   THE ANSWER IS 3

   Reply