3) 8,3+7,9+9,5+10,62=36,32; 36,32/9,08
1) 5,6+12,9=18,5; 18,5/2=9,25
2) 10,9 +8+9,18=28,08; 28,08/3=9,36
3) 8,3+7,9+9,5+10,62=36,32; 36,32/9,08
1) 5,6+12,9=18,5; 18,5/2=9,25
2) 10,9 +8+9,18=28,08; 28,08/3=9,36