Question

media aritmetica dintre x=3LA PUTEREA 17 SI Y=3LA PUTEREA 20

Answer 1

$m_a=\frac{x+y}{2}=\frac{3^{17}+3^{20}}{2}=\frac{3^{17}(1+3^3)}{2}=\frac{3^{17}*28}{2}=3^{17}*14$