Răspuns :
Fie a si b-cele 2 nr. naturale.
a+b=88
a:b = 4(rest 13)=>a=4b+13
4b+13+b=88
5b=88-13
5b=75
b=75:5
b=15=>a=4*15+13=73
a+b=88
a:b = 4(rest 13)=>a=4b+13
4b+13+b=88
5b=88-13
5b=75
b=75:5
b=15=>a=4*15+13=73