Challenge your arithmetic skills! The concept is simple: using basic arithmetic, make the total from the 6 given numbers.
The reality can be daunting though. So we have asked a mental arithmetic expert to give you tips and methods to develop your skills. As you progress through the 300 puzzles you will be wowing your friends in no time!
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Condizione: Like New. Most items will be dispatched the same or the next working day. An apparently unread copy in perfect condition. Dust cover is intact with no nicks or tears. Spine has no signs of creasing. Pages are clean and not marred by notes or folds of any kind. Codice articolo rev6110402265
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