80% of people solve these tasks incorrectly

by Markus Diedrich

Jul 30, 2018

80% of people solve these tasks incorrectly


To add and subtract we learn in deep childhood. A little later we learn what division and subtraction are. However, even many adults are unarmed in front of these simple arithmetic problems.

And all because they don’t pay attention to small things.

Check if you can immediately give the right answer to this task?


If you have already answered, please pay attention to the nuances.

Always pay attention to the number of objects - it always matters.

If you are sure of the correctness of your answer - go to the next page.

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