SOLUTION: i added 5+ 6+12 = 21 did i get the aswer correct

Question 401216: i added 5+ 6+12 = 21 did i get the aswer correct
Found 2 solutions by richard1234, Tatiana_Stebko:
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
5+6+12 = 23
Answer by Tatiana_Stebko(1539) (Show Source): You can put this solution on YOUR website!
No, you didn't
5+6+12=(5+6)+12=11+12=23
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