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October 21, 2014

October 21, 2014

Posted by **tia** on Sunday, April 11, 2010 at 5:37pm.

- 7th grade geometry? -
**PsyDAG**, Monday, April 12, 2010 at 1:48pmI assume that the larger cube is made up of 125 (5*5*5) 1x1x1 cubes. You can start at the top with 1 cube, 4 (2^2) cubes, 9 (3^2) cubes... and so on, until you have used all 125. You may have some leftover cubes.

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