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Discover how old Catherine’s daughters are.
Krypton isn’t like any other planet. Help the aliens with maths!
Try solving this puzzle without magic!
Create a nice atmosphere with Mathias’ candles!
Watch out! There’s an explosion of water lilies in the pond!
Cooking can be tricky when you’re camping. But it’s all good, because you can rely on math!
Is it possible that time goes by faster for Gabrielle?
This arithmetical triangle can guess your card every time!
All it takes is a few operations, and you’ve found all the cards of the same suit!