Question

1) Caucule o valor das expressões numéricas.


A) 2⁰+2‐¹
————
3⁰–3-¹

Answer 1

Resposta:

2⁰=1

3⁰=1

2⁻¹ =1/2

3⁻¹ =1/3

(1 +1/2) /(1-1/3)

=(2/2+1/2)/(3/3-1/3)

=(3/2) / (2/3)

=(3/2) * ( 3/2) =9/4