Question

Media aritmetica a numerelor 17x²y² si 15x²y² este egala cu.... 
Urgent.. 

Answer 1

$Ma= \frac{a+b}{2}$

$\frac{17x^2y^2+15x^2y^2}{2}= \frac{32x^2y^2}{2}=16x^2y^2$