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The viral challenges of mathematical problems always conquer the social networks and they become the favorites of users from all over the world; However, according to the creator of this challenge, only 3% of the participants managed to find the correct answer. Do you dare to test your skill with numbers?
LOOK: Can you find the error? The visual challenge that few have overcome to date
The exercise was shared by Cayetano Gutiérrez Pérez, a Spanish professor and scientific disseminator who assured that the exercise is “a little complicated, but not impossible”.