Răspuns :
In total = 12 mere
Ana si Bogdan = 7 mere
Ana si Calin = 8 mere
Ana = ? mere
7+8=15
15-12=3 (mere) - are Ana
Ana si Bogdan = 7 mere
Ana si Calin = 8 mere
Ana = ? mere
7+8=15
15-12=3 (mere) - are Ana