Mathematics, 14.05.2021 22:30 babycakesmani

Una serie de número impares cumple que los signos van cambiando cada 3 términos. Así, los primeros 12 términos se ven como 1+3+5-7-9-11+13+15+17-19-21-23+…
¿Cuál es la suma de los primeros 2021 términos?

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Una serie de número impares cumple que los signos van cambiando cada 3 términos. Así, los primeros 1...