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题有一木块浮在水面上,露出水面的体积为V,若把露出水面的部分截去,原水下部分又有一部分露出水面,其露出
There is a wooden block floating on the surface of the water, the volume of the exposed surface of the water is V, if the exposed part of the water is truncated, part of the original underwater part is exposed to the surface of the water.