Răspuns :
a+b+c=495
b+17=a/a-17=b
a+11=c/c-11=a
a+a-17+a+11=495
3a-17+11=495
3a-17=495-11
3a-17=484
3a=484+17
3a=501
a=501:3
a=167
b=167-17=150
c=167+11=156
b+17=a/a-17=b
a+11=c/c-11=a
a+a-17+a+11=495
3a-17+11=495
3a-17=495-11
3a-17=484
3a=484+17
3a=501
a=501:3
a=167
b=167-17=150
c=167+11=156
a+b+c=495
a=b+17 b=a-17
c=a+11
a+a-17+a+11=495
3a-17+11=495
3a-17=484
3a=501
a=167
b=167-17=150
c=167+11=178
verific 167+150+178=495
a=b+17 b=a-17
c=a+11
a+a-17+a+11=495
3a-17+11=495
3a-17=484
3a=501
a=167
b=167-17=150
c=167+11=178
verific 167+150+178=495