Ajuda aêw glr, Vdc!
Ola leticia
Sn = a1*n + r*(n - 1)*n/2
S50 = 2*50 + 4*49*50/2
S50 = 100 + 100*49 = 50*100 = 5000
pronto
1
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Ola leticia
Sn = a1*n + r*(n - 1)*n/2
S50 = 2*50 + 4*49*50/2
S50 = 100 + 100*49 = 50*100 = 5000
pronto
1