Răspuns :
Explicație pas cu pas:
A+I+M+G=77-(6×4)=77-24=53ani
A=I:3=>I=3×A
M=A:4-1=>A:4=M+1=>A=(M+1)×4=4M+4
G=5×A:2
A=4segmente+4
I=12segmente+12
M=1segment
G=10segmente+10
Avem 27 segmente egale+4+12+10
53-26=27
27:27=1segment
A=4×1+4=8ani (Alin)
I=12×1+2=24ani (Ion)
M=1an (Marian)
G=10×1+10=20ani (George)
Sper ca te-am ajutat!succes