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Can you get the largest area?
An addition and strategy game!
A multiplication and strategy game!
For once, 13 is a lucky number! Make the most of it!
Be in awe of the remarkable beauty of mathematics in nature!
Can you tell bronze from gold?
This puzzle will warm you up!
Go to the market to trade pumpkins, eggs, cheese and corn cobs!
Ready, set, take off your shoes!