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Mathematics, 19.11.2020 14:00 pacpac1172

En una granja entre gallinas y conejos hay 20 cabezas y 52 patas. ¿Cuántas gallinas i cuántos conejos hay en la granja?

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En una granja entre gallinas y conejos hay 20 cabezas y 52 patas. ¿Cuántas gallinas i cuántos conejo...
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