• 试题 ID 14839


计算 $\boldsymbol{I}=\int_{\frac{1}{4}}^{\frac{1}{2}} \mathrm{~d} y \int_{\frac{1}{2}}^{\sqrt{y}} e^{\frac{y}{x}} \mathrm{~d} x+\int_{\frac{1}{2}}^1 \mathrm{~d} y \int_y^{\sqrt{y}} e^{\frac{y}{x}} \mathrm{~d} x$
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解析:

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