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How many more cubes are needed to turn this stack into a solid cube two cubes long, two wide and two high?

Competition practiceDice & Cubes
  • A2
  • B3
  • C4
  • D5

Step-by-Step Solution

A 2 by 2 by 2 cube needs 8 cubes. The stack has . So more are needed.
Answer: B) 3

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