Question

Resolva fazendo as contas:

     3:5 - 4⁰
⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻ =
    6:8 - 2:3



-2³ + 3⁻² . 3⁻² + 8 =

Answer 1

(3/5-1) : 3/4-2/3
-2/5 . 12/1
-24/5


-8 + 1/9.1/9 + 8
1/81