嚴格講，數學上500/0沒有意義。無窮大是500除以一個在一定條件下趨於（無限接近）無窮小的量，但不能是0。

來源: TBz 於 2015-12-28 22:16:52 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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