楼主:
匿名
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父性嗜酒,家貧不能常得,
偶得歹玩啤酒, 造飲輒盡,期在必醉, 環堵蕭然,不避風日, 乃令小女販柴謀生。 購柴者乎?購柴者乎? |
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Soochow University GTER 群: 17788337 请告知所在学院,恕不接受外校
"Freedom has many difficulties and democracy is not perfect, but we have never had to put a wall up to keep our people in, to prevent them from leaving us." --JFK |
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常函数和指数函数e的x次方走在街上,远远看到微分算子,
常函数吓得慌忙躲藏,说:“被它微分一下,我就什么都没有啦!” 指数函数不慌不忙道:“它可不能把我怎么样,我是e的x次方!” 指数函数与微分算子相遇。 指数函数自我介绍道:“你好,我是e的x次方。” 微分算子道:“你好,我是‘d/dy!’ |
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