Răspuns :
T+M+F=96
T=M+8
F=M-20
8+M+M+M-20=96
3M-12=96
3M=96+12
3M=108
M=108:3
M=36
T =M+8
T =36+8
T=44
F=M-20
F=36-20
F=16
T=M+8
F=M-20
8+M+M+M-20=96
3M-12=96
3M=96+12
3M=108
M=108:3
M=36
T =M+8
T =36+8
T=44
F=M-20
F=36-20
F=16