(1) Question 1: 6*3*3=54 (Because it has become four cubes, the length, width and height of this cube are all 3, and there are six more faces, so there are 54 square centimeters more).
(2) The second question: It is also 6*3*3=54, because each cube is 3 in length, width and height, and * * * has six faces.
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