Răspuns :
a
|---------| +17
b
|----------| Impreuna 495
c
|-----------| +28
495-45=450
450:3=150 b
150+17=167 a
150+28=178 c
150+178+167=495
|---------| +17
b
|----------| Impreuna 495
c
|-----------| +28
495-45=450
450:3=150 b
150+17=167 a
150+28=178 c
150+178+167=495
a+b+c=495
a=b+17
c=a+11=b+17+11
b+17+b+b+17+11=495
3b+45=495
3b=495-45=450
b=450:3
b=150
a=b+17=150+17=167
c=a+11=167+11=178
167+150+178=495
a=b+17
c=a+11=b+17+11
b+17+b+b+17+11=495
3b+45=495
3b=495-45=450
b=450:3
b=150
a=b+17=150+17=167
c=a+11=167+11=178
167+150+178=495