Răspuns:
la prima: 61, 62, 63, 64, 65, 66, 67, 68, 69
la a doua: 8, 18, 28, 38, 48, 58, 68, 78, 88, 98
la a treia: 22, 44, 66, 88
la a patra: 11, 33, 55, 77, 99
