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MATH / A solid 6-by-6-by-6 cube is constructed from unit cubes and the entire outer…

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problem

A solid 6-by-6-by-6 cube is constructed from unit cubes and the entire outer surface is painted. What fraction of the unit cubes has at least two painted faces? Express your answer as a common fraction.

level

Level 4

type

Counting & Probability

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