Răspuns :
a+b=393
a:b=-15r9
a=15b+9
15b+9+b=393
16b=393-9=384
b=384:16
b=24
a=24x15+9=369
a:b=-15r9
a=15b+9
15b+9+b=393
16b=393-9=384
b=384:16
b=24
a=24x15+9=369
a+b=393
a;b=15+r9 a =15b+9
15b+9+b=393
16b=393-9
b=384:16
b=24
a=15*24+9=360+9=369
a=369
a;b=15+r9 a =15b+9
15b+9+b=393
16b=393-9
b=384:16
b=24
a=15*24+9=360+9=369
a=369