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Un article trouvé pour ce sujet.
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Five cubes |
2014-01-15 |
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Bob pose la question :
Rick has five cubes. When he arranges them from smallest to largest, the difference between the heights of any two neighbouring cubes is 2 cm. The largest cube is as high as a tower built from the two smallest cubes. How high is a tower built from all five cubes?
Penny Nom lui répond. |
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