Can you solve this test without a calculator?

Beyond their playful aspect, mathematical puzzles are a real workout for our minds. They force us to slow down, to concentrate, to organize our thoughts. A bit like  mini yoga for the mind , in short!

So why not make it a ritual? A little challenge each day to keep your mind sharp, while having fun. Share it with your children, partner, or colleagues for a slightly more original coffee break.

What if the best brain exercise… was simply playing with numbers?

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