Question

[(1+1/3)^3.(3+1/3)^-3÷(1-1/5)^2.(1/5)^-1 é. a)0,02 b)0,2 c)0,5 d)1,0. questão da EEAer

Answer 1

(1+1/3)³.(3+1/3)⁻³÷(1-1/5)².(1/5)⁻¹

(3/3+1/3)³.(9/3+1/3)⁻³÷(5/5-1/5)².(1/5)⁻¹

(4/3)³.(10/3)⁻³÷(4/5)².(1/5)⁻¹

(4/3)³.(3/10)³÷(4/5)².(5)

(4/3)³ * (3/10)³  *  (5/4)² * (5)

(4)³ * (1/10)³  *  (5/4)² * (5)

(4) * (1/10)³  *  (5)³

4 * (5/10)³  =4 * 0,5³  = 0,5

Letra C

Answer 2

Resposta:

Explicação passo-a-passo:

(1+1/3)³.(3+1/3)⁻³÷(1-1/5)².(1/5)⁻¹

(3/3+1/3)³.(9/3+1/3)⁻³÷(5/5-1/5)².(1/5)⁻¹

(4/3)³.(10/3)⁻³÷(4/5)².(1/5)⁻¹

(4/3)³.(3/10)³÷(4/5)².(5)

(4/3)³ * (3/10)³  *  (5/4)² * (5)

(4)³ * (1/10)³  *  (5/4)² * (5)

(4) * (1/10)³  *  (5)³

4 * (5/10)³  =4 * 0,5³  = 0,5

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