Răspuns :
a+b+c=885
a+b=475
b+c=762
-----------------------------------
a=? b=? c=?
c= (a+b+c)- (a-b)
= 885-475
=410
b+410=762
b=762-410
b=352
a+352=475
a=475-352
a=123
SUCCES
a+b=475
b+c=762
-----------------------------------
a=? b=? c=?
c= (a+b+c)- (a-b)
= 885-475
=410
b+410=762
b=762-410
b=352
a+352=475
a=475-352
a=123
SUCCES
a+b+c=885.a+b=475.b+c=762.c=885-475=410.a=885-762=123.b=885-(410+123)=885-533=352