Question

A 5*5*5 cube is comprised of smaller 1*1*1 cubes is painted on the outside faces. How many smaller cubes have exactly two faces painted?

Answer 1

so these cubes are the ones that run along the edges

Answer 2

yes

Answer 3

minus the ones the are on the corners

Answer 4

how mnay edges on a cube

Answer 5

12

Answer 6

how many cubes with two sides showing on each edge

Answer 7

3

Answer 8

There you go