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Can you be quicker than a calculator?
Tick tock! What time is it? Time to find your number!
Watch out! There’s an explosion of water lilies in the pond!
Can you figure out how long Pascal was on vacation for?
Lily is on a winning streak! Help her determine how many marbles she will add to her collection.
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!
These planes go round in circles!
Tonight is not the time to be late, you’re going to a concert!