missing number


Find the missing number ?? Look at the rows and the numbers.
created by Niki99
  

 



Brain teaser - Number And Math Puzzle - missing number - Find the missing number ?? Look at the rows and the numbers.




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The number in the middle is composed from numbers on the left and right.

31, because each number in the middle is composed as first digit of the number on the left and last digit of the number on the right