1)30,41,52,63,74,85,96
2)50,51,52,53,54,55,56,57,58,59
3)19,29,39,49,59,69,79,89,99
4)10,21,32,43,54,65,76,87,98
5)10,20,30,40,50,60,70,80,90
1 коробка: 9+6=15