Question

Calcule as expressões

Answer 1

A) -(-2)^3 + (-1)^0 - $\sqrt{25 . 32}$ - 5^3: 25

2^3 -1 - 20$\sqrt{2}$ - 5
8 - 1 - 20 $\sqrt{2}$ - 5
7-5 - 20$\sqrt{2}$
2-20$\sqrt{2}$

B) 8 - 3/1-2
5/-1
-5