Question

Calculati media aritmetica a numerelor a si b stiind ca a=5supra3 -3 supra 7 si b =1 supra 3 +3 supra 7

Answer 1

$a= \frac{5}{3}- \frac{3}{7}= \frac{26}{21} \\ b= \frac{1}{3} + \frac{3}{7}= \frac{16}{21} \\ \frac{a+b}{2}=1$