Răspuns :
Bianca /-----/
Beatrice /----/+20 } 36
36 - 20 =16
16:2 = 8
Bianca are 8 timbre
Beatrice = 8 + 20 = 28 timbre
8+28 = 36
Beatrice /----/+20 } 36
36 - 20 =16
16:2 = 8
Bianca are 8 timbre
Beatrice = 8 + 20 = 28 timbre
8+28 = 36