This block is 4cm by 4cm by 5cm.
The block is painted on all faces. Then the block is cut into 80 cubes that are 1cm by 1cm by 1cm.
How many of these 80 cubes have no paint on any face?
This block is 4cm by 4cm by 5cm.
The block is painted on all faces. Then the block is cut into 80 cubes that are 1cm by 1cm by 1cm.
How many of these 80 cubes have no paint on any face?
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