Question

Me ajudem nessa conta

Answer 1

multiplique numerador com numerador e denominador com denominador )

(1/4)² = 1/4. 1/4= 1/16
(2/3)³ = 2/3. 2/3. 2/3 = 8/27


(1/4)². 4/5 + 2/5 : (2/3)³
1/16. 4/5 + 2/5 : 8/27
4/80 + 2/5. 27/8
4/80 + 54/40
1/20 + 27/20
28/20
7/5