if a cube of 10 X 10 X 10 is slices into 1 X 1 X 1 cubes and then rearranged as earlier.if the outer most layer of cubes fall, how many cubes fall and how much are left....?

2 answers

9x9x9 cubes are left and
1000 - 9^3 fall.,o
plse explain me again..