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Mathematics, 25.02.2021 20:50 jojomgarcia01

6. En una papelería compraron para la venta cierta cantidad de sobres de láminas para el álbum del mundial de fútbol. De esa cantidad, el lunes se vendieron 380 sobres; el miércoles la mitad de los que quedaban, y el viernes 42 sobres. Si aún quedan 18, ¿cuántos sobres compraron en la papelería?

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6. En una papelería compraron para la venta cierta cantidad de sobres de láminas para el álbum del m...
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