Questão 5: Calcule a expressão:
( 2/3 )⁴ + ( 2/3 )³​


Resposta :

(2/3)⁴ + (2/3)³

16/81 + 8/27

16.27+8.81/81.27

432+648/2187

1080/2187

40/81

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Calculando com MMC

(2/3)⁴ + (2/3)³

16/81 + 8/27 --> mmc(81,27) = 81

40/81

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