Question

Calculați media aritmetica a nr 1/2,2/3,5/6

Answer 1

1/2+2/3+5/6 totul supra 3
Le aduci la același numitor 1/2,2/3,5/6
3/6+4/6+5/6 totul supra 3
12/6supra 3
2:3=0,(6)

Answer 2

[(1/2)+(2/3)+(5/6)]/3=
[(3+4+5)/6]/3=
12/6/3=(12/6)*(1/3)=12/18=2/3 (am simplificat cu 6 fractia).