设D={(x,y){x<sup>2</sup>+y<sup>2</sup>≤4),二重积分<img src='https://img2.soutiyun.com/shangxueba/ask/18726001-18729000/18727910/2016071616340816183.jpg' />,则()

A.I≤-36π B. -36π≤I<36π C. 36π≤I≤100π D. I>100π

时间:2023-12-28 10:33:34

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