Răspuns:
a/ 3-1 |...............|
b,/3-3|..... ..|+2
c /3-5|........|+2+2
a/3 |.......|+1
b/3|.......|+2+3
c/3|......|+2+2+5
a/3+b/3+c/3=810÷3=270
3 părți egale +1+5+9=270
3 părți egale = 270-15=255
1 parte = 255÷3=85
a/3=85+1=86
a=3×86=258
b/3=85+5=90
b= 3×90=270
c/3=85+9=94
c= 3×94=282