Inner Cube Unaffected
Discrete Mathematics
Level
2
On a \(3\times3\times3\) cube, all but one \(1\times1\times1\) are visible.
How many \(1\times1\times1\) cubes are visible on the surface of a \(10\times10\times10\) cube?
Image Credit: Wikimedia Dhrm77.
by
David Pilling