3593| 5
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這個(gè)積分怎么求 |
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點(diǎn)評(píng)
還是弄不出來。大俠能再詳細(xì)地講解講解嗎?謝謝了
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點(diǎn)評(píng)
在其他地方也說是這樣弄的,還說用極坐標(biāo)但是一直沒搞清楚它的幾何意義
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