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Math geometry problem of fifth grade in primary school? (The topic is as follows).
Six cubes are put together to form a cuboid, a long snake array, and three in two rows.

The word "Long Snake Array" is missing 10, which is not consistent with the meaning of the question in terms of numbers.

There are three rows in each row, and it can be counted that 14 faces are missing, so 224/ 14 = 16, that is, the area of each face is 16, so the side length is 4.

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