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09-06-2018
World Languages

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Se, em uma progressão aritmética de sete termos, o primeiro termo é o número 6 e o último termo é o número 30, então é correto afirmar que a adição do quarto termo com o quinto termo dessa progressão corresponde ao total de:

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joseldamaria20oyz1yp joseldamaria20oyz1yp

13-06-2018

A formula para achar qualquer progressão aritimética é: an= a1 + (n-1)d. Sendo n= 30, a1= 6 só resolver e pronto

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