Ur-tanta bat!

Zein da ur-tanta baten neurria?
¿Cuánto mide una gota de agua?
30 €-ko saria bat dago ikastetxeko gurasoentzat, parte hartu nahi baduzu erantzun maiatzaren 19a baino lehenago.
Hay un premio de 30 € para madres y padres del colegio, si quieres participar responde antes del día 19 de mayo
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