Question

qual e´o resultado da expressão numérica 8²-(5)²+3¹+4+2-¹

Answer 1

$8^2-(5)^2+3^1+4+2^{-1} \\ \\ 64 - 25 + 3 + 4 + \frac{1}{2}^1 \\ \\ 64 - 25 + 3 + 4 + \frac{1}{2} \to MMC = 2 \\ \\ \frac{64}{2} - \frac{25}{2} + \frac{3}{2} + \frac{4}{2}+ \frac{1}{2} \\ \\ 128 - 50 + 6 + 8 + 1 \\ 78 + 15 \\ \boxed{93}$