小学奥数题来看看# Joke - 肚皮舞运动
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a 2x2x2 cube is to be constructed using 4 white and 4 black units, how many
different cubes can be constructed in this way?
Two cubes are the same, if one can be obtained by rotating the other.
different cubes can be constructed in this way?
Two cubes are the same, if one can be obtained by rotating the other.