Răspuns :
(1+2+3+.....+199):123=
=(199×200:2):123=
=(199×100):123=
=19900:123=
=161,7886178862
Catul=161
Restul=7886178862
=(199×200:2):123=
=(199×100):123=
=19900:123=
=161,7886178862
Catul=161
Restul=7886178862