Es tracta d'un quatre en ratlla i si saps bé les taules podràs guanyar al teu rival.
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https://www.nctm.org/Classroom-Resources/Illuminations/Interactives/Product-Game/
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Sort!
https://www.nctm.org/Classroom-Resources/Illuminations/Interactives/Product-Game/
CLICA
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