REPASO DE MATES

Sumas llevando (dos cifras), an interactive worksheet by Yolanda López López
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Sumas con llevadas, an interactive worksheet by Elena Martinez Rodriguez
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Sumas con llevadas números de dos cifras, an interactive worksheet by Yirian Díaz Velázquez
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Ficha Matemáticas 35-1EP-Problemas, an interactive worksheet by Jesus_PT
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