Question

Calcule qual é a diferença entre o cubo de 3/4e o cubo de 1/2

Answer 1

${( \dfrac{3}{4})}^{3} - {(\dfrac{1}{2})}^{3} \\\\ \dfrac{3^3}{4^3} - \dfrac{1^3}{2^3}\\\\ \dfrac{27}{64} - \dfrac{1}{8} \\\\ \dfrac{27-8}{64}\\\\ \dfrac{19}{64}$