Question

Media aritmetica a trei numere naturale cunsecutive este 25.Aflati numerele

Answer 1

(a+a+1+a+2):3=25
3a+3=75
3a=72
a=24
a+1=25
a+2=26

Answer 2

$(x+y+z):3=25 \\ x+y+z=25*3 \\ x+y+z=75 \\ y=x+1 \\ z=x+2 \\ x+x+1+x+2=75 \\ 3x+3=75 \\ 3x=75-3 \\ 3x=72 \\ x=72:3 \\\boxed{ x=24} \\ y=24+1 \\ \boxed{y=25} \\ z=24+2 \\ \boxed{z=26}.$