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Жанр : Usborne
Издательство : Usborne
Год издания : 2012
Аннотация:
Includes 30 illustrated cards that help children recognize numbers and learn basic number skills and mathematical vocabulary. This title contains cards for 0 to 20, 30, 40, 50 and 100 as well as the mathematical symbols +, — and =. It also includes suggestions for how to use the cards.