Va rog repedeeeeeeeeeeeeeeeeeeeeee

Răspuns:
Explicație pas cu pas:
x=(1/2+1/3-1/6)×3/2 =(3+2-1)/6×3/2=4/6×3/2=1
y=(1/2-1/3+1/6):1/12=(3-2+1)/6×12=2×12/6=4
Media geometrica=mg²=xy mg²=1×4 ⇒mg=2