Răspuns :
a=4; b+c=8 -> b=8-c;
c=1,b=7. Numar:471
c=2 -> b=6; Numar= 462
c=3 ->b=5; Numar =453
c=4 ->b=4 numar=444
c=5 -> b=3; Numar=435
c=6 ->b=2; Numar=426
c=7 ->b=1; Numar=417
c=8 ->b=0; Numar=408
c=0 ->b=8; Numar=480
c=1,b=7. Numar:471
c=2 -> b=6; Numar= 462
c=3 ->b=5; Numar =453
c=4 ->b=4 numar=444
c=5 -> b=3; Numar=435
c=6 ->b=2; Numar=426
c=7 ->b=1; Numar=417
c=8 ->b=0; Numar=408
c=0 ->b=8; Numar=480