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Q2.Shown below is a number puzzle. Only one piece can be slided horizontally or vertically in one move. What is the least number of moves required to bring the piece with number 10 to the empty position x?
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Q4.A cube is dissected by one plane at 1/6 side length and one plane at 1/2 side length in each of the three dimensions of xy, yz and xz. How many cubes will be formed after dissecting the large cube?
CEED2023Q3·nat·Hard
Count the number of triangles in the image below.
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