Mathematics, 24.07.2021 04:00 davidoj13
En una progresión aritmética se cumple a4 + a9 = 3 y a7 + a15 = 6; hallar la suma de los veinte primeros terminos
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En una progresión aritmética se cumple a4 + a9 = 3 y a7 + a15 = 6; hallar la suma de los veinte prim...
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