Question

Ana si Bogdan au inpreuna 7 mere, iar Ana si Calin au impreuna 8 mere.Determinati cate mere are Ana stiind ca impreuna cei trei copii au 12 mere

Answer 1

A+B+C=12 mere
12- AB =12 - 7= 5
Calin =5 mere
AC =8
Ana = 8-5= 3 mere
AB=7
Bogdan =7-3 = 4 mere
V=3+4+5=12