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Problem of the Week

Math Contest for 5-7 grades

Problem 45. Cub with a hole

Is it possible to build a cube 3x3x3 with a hole 1x1x1 in the center using 13 bricks 1x1x2 ?

Hint. Paint bricks and cube in two colors, count number of small cubes 1x1x1 of each color.

Posted by Sergey Sobolev at 4/04/2008 03:11:00 AM

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