Răspuns :
(a+b)/2=12 => a+b=12*2=24
(c+d+e)/3=8 => c+d+e=8*3=24
Inlocuim sumele obtinute in media aritmetica a celor 5 nr.:
Ma=(a+b+c+d+e)/5=(24+24)/5=48/5
ma₂ = (a+b)/2 = 12 => a+b = 12x2 => a+b = 24
ma₃ = (c+d+e)/3 = 8 => c+d+e = 8x3 => c+d+e = 24
ma₅ = (a+b+c+d+e)/5 = (24+24)/5 = 48/5 = 9,6