Răspuns :
a+b+c=475
daca a+b=341,atunci
c=475-341
c=134
daca b+c=389,atunci
a=475-389
a=86
daca a+b=341,atunci
86+b=341
b=341-86
b=255
86+255+134=475
daca a+b=341,atunci
c=475-341
c=134
daca b+c=389,atunci
a=475-389
a=86
daca a+b=341,atunci
86+b=341
b=341-86
b=255
86+255+134=475