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Mathematics, 12.06.2020 16:57 AM28

Las gallinas y conejos de una granja suman en total 30 cabezas y 90 patas. ¿Cuántas gallinas y conejos hay?

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Las gallinas y conejos de una granja suman en total 30 cabezas y 90 patas. ¿Cuántas gallinas y conej...
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