**which number does not belong?**

which number does not belong? One number is different from others. In which way and which one is it? Find the solution for this math puzzle.

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Can you also solve

There is a math pyramid on the picture. Are you able to solve this brain teaser? Each parent number is calculated from the child numbers.

**math pyramid brain teaser**There is a math pyramid on the picture. Are you able to solve this brain teaser? Each parent number is calculated from the child numbers.

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