Răspuns :
a+b+c=6765 ,a+b=3553 ,b+c=5533 ,3553+c=6765 ,c=6765-3553=3212 ,c=3212 ,b+3212=5533 ;b=5533-3212=2321 ;a+2321=3533 a=3553-2321=1232
A+b+c=6765
A+b=3553
B+c=5533
C=6765-3553
C=3212
B+3212=5533
B=5533-3212
B=2321
A+2321=3553
A=3553-2321
A=1232