Question

Expand 1 by 3 + 5 by 3 whole cube

Answer 1

${( \frac{1}{3} + \frac{5}{3} )}^{ 3} \\ \\ = {( \frac{1 + 5}{3} )}^{3} \\ \\ = {( \frac{6}{3 } )}^{3} \\ \\ = {(2)}^{3} \\ \\ = 8$