Răspuns :
abc=196-bc
abc=100a+10b+c
bc=10b+c
100a+10b+10b+c+c=196
100a+20b+2c=196/:2
50a+10b+c=98
abc=100a+10b+c
bc=10b+c
100a+10b+10b+c+c=196
100a+20b+2c=196/:2
50a+10b+c=98