Respuesta:
c) 674
Explicación paso a paso:
a1 = 50
a25 = 2
S25 =
S25 = 26x25 = 650
650 + 24 = 674
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Respuesta:
c) 674
Explicación paso a paso:
a1 = 50
a25 = 2
S25 =
S25 = 26x25 = 650
650 + 24 = 674