为什么函数极限的定义要求在去心邻域有定义，而函数连续定义中却要求函数在一点的邻域有定义？ 知乎 Sketch Coloring Page

为什么函数极限的定义要求在去心邻域有定义，而函数连续定义中却要求函数在一点的邻域有定义？ 知乎 Template

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anonymous

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sketch #3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )

anonymous

anonymous
sketch #3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )

sketch #5088

anonymous

anonymous
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sketch #2431 face :D

anonymous

anonymous
sketch #2431 face :D

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anonymous
sketch #3039 Anonymous by Gootee Jaroonsit

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anonymous

anonymous
sketch #3617 D from Gorillaz by Joselyne Angel Gormaz

sketch #4306 The burning watermelon!

anonymous

anonymous
sketch #4306 The burning watermelon!

sketch #2926 Power Puff Girls by Sylvie Rieux

anonymous

anonymous
sketch #2926 Power Puff Girls by Sylvie Rieux

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