Răspuns :
a+b+c=756
a+b=527 deci
c=756-527
c=229
a+b+c=756
b+c=418
a=756-418
a=338
a+b=527
a=338
b=527-338
b=189
verificare
a+b+c=338+189+229=527+229=756
a+b=527 deci
c=756-527
c=229
a+b+c=756
b+c=418
a=756-418
a=338
a+b=527
a=338
b=527-338
b=189
verificare
a+b+c=338+189+229=527+229=756
a+b+c=756
a+b=527
b+c=418
a+b+c=756
a+b=527
c=756-527
c=229
a+b+c=756
b+c=418
a=756-418
a=338
a+b=527
a=338
b=527-338
b=189
A=338
B=189
C=229
Proba :
338+189+229=756
338+189=527
189+229=418
a+b=527
b+c=418
a+b+c=756
a+b=527
c=756-527
c=229
a+b+c=756
b+c=418
a=756-418
a=338
a+b=527
a=338
b=527-338
b=189
A=338
B=189
C=229
Proba :
338+189+229=756
338+189=527
189+229=418