Question

Quantas copas do mundo aconteceu de 1962 a 2014?

Answer 1

1962
1966
1970
1974
1978
1982
1986
1990
1994                   14 copas
1998
2002
2006
2010
2014                an = 2014   a1 = 1062      n=?   r = 4

an = a1 + (n-1)r
2014 = 1962 + (n - 1) 4
2014 = 1962 + 4n - 4
2014 - 1962 + 4 = 4n
56 = 4n
n = 56/4
n = 14

Answer 2

Resposta:

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