为什么0.999……＝1？今天用最简单、严谨的方法证明给你看看
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为什么0.999……＝1？今天用最简单、严谨的方法证明给你看看
按照当代数学，1=0.999... 是完全正确的。 无论是用极限思想还是任何各种方法去求证，你都会发现，一个看上去完全不一样的数字，其实居然是相等的。 如果你觉得它们之间不相等，那我通过两种方式证明，告诉你它们是相等的。 如果你数学课上听过它们相等 ...
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