Răspuns :
a+b=487
a:b=3 rest 3=>a=3b+3
=>a+3b+3=4b+3=>4b=487-3=>4b=484
b=484:4=>b=121
a=484-121
a=363
a:b=3 rest 3=>a=3b+3
=>a+3b+3=4b+3=>4b=487-3=>4b=484
b=484:4=>b=121
a=484-121
a=363
a+b=487
a:b=3 rest 3
-----------------
a=?b=?
a=3b+3
3b+b+3=487
4b+3=487
4b=487-3
4b=484
b=484:4
b=121
a=121*3+3
a=363+3
a=366
a+b=487
366+121=487
a:b=3 rest 3
366:121=3 rest 3......pentru ca 366=121*3+3
=363+3
=366
a:b=3 rest 3
-----------------
a=?b=?
a=3b+3
3b+b+3=487
4b+3=487
4b=487-3
4b=484
b=484:4
b=121
a=121*3+3
a=363+3
a=366
a+b=487
366+121=487
a:b=3 rest 3
366:121=3 rest 3......pentru ca 366=121*3+3
=363+3
=366