Răspuns :
d-s=r
d=s+r
d+s+r=2004
d+d=2004
2d=2004
d=2004:2
d=1002(descazutul)
d=s+r
d+s+r=2004
d+d=2004
2d=2004
d=2004:2
d=1002(descazutul)
D->reprezinta descazutul;
S->reprezinta scazatorul;
d->reprezinta diferenta.
D+S+d=2004
D-S=d
2D+d=2004+d
2D=2004+d-d
2D=2004
D=2004/2
D=1002
S->reprezinta scazatorul;
d->reprezinta diferenta.
D+S+d=2004
D-S=d
2D+d=2004+d
2D=2004+d-d
2D=2004
D=2004/2
D=1002