Răspuns :
Fie a si b cele doua numere
a+b=144
a=5b
a+b=155
5b+b=144
6b=144
b=144:6
b=24
a=5b
a=5*24
a=120
Fie a,b-doua numere
a+b=144
a=5b
5b+b=144
6b=144
b=144:6
b=24
a=5×24
a=120
Fie a si b cele doua numere
a+b=144
a=5b
a+b=155
5b+b=144
6b=144
b=144:6
b=24
a=5b
a=5*24
a=120
Fie a,b-doua numere
a+b=144
a=5b
5b+b=144
6b=144
b=144:6
b=24
a=5×24
a=120