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High school mathematics space geometry (the problem that there is a cuboid inscribed with a cube on the sphere)
Don't think too much. If a cube is connected to a sphere, it means that the diagonal of the cube is the diameter of the sphere. If the diagonal of the cuboid is also the diameter of the sphere, then the embedding problem of high school solid geometry only requires so much. Other problems are nothing but transformed from the above conditions. Which year do you think will be the last year of the college entrance examination? The point is still function, don't you think?