Καταλαβαίνω τον άβακα

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Πάτησε σε δύο κάρτες άβακα για να φτιάξεις τις Δ εκάδες και τις Μ ονάδες που βλέπεις.
Θυμήσου να βάλεις πρώτα τις Δεκάδες

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