Răspuns:
A+M = 76kg
M+R=76kg
A+R= 52kg
M= 76-A
R=52-A
76-A+ 52-A=76
-2A= 76-76-52
-2A=-52
A= 52:2
A= 26
M= 76-26=50
R= 52-26=26
R: Andrei cantareste 26kg
Mihai cantareste 50kg
Rares cantareste 26kg
