recurso
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¿Cómo sumar y restar números fraccionarios y decimales con signo?
Se explica cómo sumar números fraccionarios y decimales con signo, a través de dos ejemplos de la vida cotidiana.
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¿Función o ecuación?
A través de ejemplos, conocerás el uso de las letras dentro de los problemas matemáticos y su uso principal en …
Ver recurso![...](https://nemdigitalstorage.blob.core.windows.net/nem-main/covers/aec-logo-rect.jpg)
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