Mathematics, 19.11.2020 14:00 kiannadgarnica

En una granja entre gallinas y conejos hay 20 cabezas y 52 patas. Cuántas gallinas y cuantos conejos hay en la granja? Ecuación de primer grado

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En una granja entre gallinas y conejos hay 20 cabezas y 52 patas. Cuántas gallinas y cuantos conejos...

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