What is always in front of you but cannot be seen?
Do you want to exercise your mind with this riddle? Let's have some fun for a moment. You can check the hint and answer below.


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Rhind Papyrus - 27
Nice activity for maths' history, fractions and equations. The idea is read only the text... because the point is just think and write the equation.


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Rhind Papyrus - 26
Funny way to introduce maths' history and to look back to fractions and equations.


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Rhind Papyrus - 25
This is an old problem, which could be use to explain some maths' history, fractions and equations. The point is just think and write the equation. Solving is easy.


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