To those who ask what the infinitely small quantity in mathematics is, we answer that it is actually zero. Hence there are not so many mysteries hidden in this concept as they are usually believed to be.
对于那些在数学中问无限小是什么的人，我们的答案是它实际上是零。因此，这一概念并不像人们通常认为的那样有那么多的神秘之处。
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Zero