Question

aflati suma a2 nr nat daca media aritmetica este pe rand 17 33 40   

Answer 1

(a+b)/2=17 ⇒a+b=17*2⇒ a+b=34
(c+d)/2=33⇒ c+d=33*2⇒ c+d=66
(e+f)/2=40⇒  e+f=40*2⇒  e+f=80