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一个立体的底在x轴的 [0, 4] 上,其垂直于x轴的截面是半圆形。每个半圆的直径为 y = sqrt(x) 。计算体积。
一个立体的底在x轴的 [0, 4] 上,其垂直于x轴的截面是半圆形。每个半圆的直径为 y = sqrt(x) 。计算体积。
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