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  1. abstract algebra - Prove that 1+1=2 - Mathematics Stack Exchange

    Jan 15, 2013 · Possible Duplicate: How do I convince someone that $1+1=2$ may not necessarily be true? I once read that some mathematicians provided a very length proof of $1+1=2$. Can …

  2. what is 1 - 1/2 + 1/3 - 1/4 + 1/5 - 1/6 + 1/7 - 1/8 +1/9

    Nov 28, 2019 · Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and …

  3. 为什么 1 不能被认为是质数? - 知乎

    m = p 1 a 1 p 2 a 2 p 3 a 3 p n a n . 什么意思呢? 它表示这样一个结论:对于任意的一个整数,你都能把它因数分解,而且结果是唯一的。 举个例子:1001只能被分解成7×11×13,而且你再 …

  4. N+1(裁员补偿) - 知乎

    Jul 29, 2021 · N+1赔偿,是指有劳动合同法第四十条规定的情形之一的,用人单位除了正常支付经济补偿金后,额外支付劳动者一个月工资,可以解除劳动合同。 N是指经济补偿金,1是指一 …

  5. 为什么美国明明有1小时22分解决委内瑞拉的强大战力,却坐视乌 …

    Jan 3, 2026 · 为什么美国明明有1小时22分解决委内瑞拉的强大战力,却坐视乌克兰的巨大牺牲、不愿帮助乌克兰取得胜利?

  6. limits - 1 to the power of infinity, why is it indeterminate ...

    The notation is a bad one, 1∞ 1 ∞ stand for a limit like

  7. Why is $1^{\\infty}$ considered to be an indeterminate form

    The reason why 1∞ 1 ∞ is indeterminate, is because what it really means intuitively is an approximation of the type (∼ 1)largenumber (∼ 1) l a r g e n u m b e r. And while 1 1 to a large …

  8. abstract algebra - Check my proof that $ (ab)^ {-1} = b^ {-1} a

    The following question is problem Pinter's Abstract Algebra. And to put things in context: G G is a group and a, b a, b are elements of G G. I want to show (ab)−1 (a b) 1 = b−1a−1 b 1 a 1. I …

  9. 如何看待快手2025年12月22号审核崩了? - 知乎

    Dec 22, 2025 · 知乎,中文互联网高质量的问答社区和创作者聚集的原创内容平台,于 2011 年 1 月正式上线,以「让人们更好的分享知识、经验和见解,找到自己的解答」为品牌使命。

  10. How can 1+1=3 be possible? - Mathematics Stack Exchange

    Feb 3, 2021 · So that's the "proof". The failure is at step 5, where you say that pq = pr p q = p r implies that q = r q = r; that's true only if you know p p is nonzero. For instance 0 ⋅ 5 = 0 ⋅ 7 0 5 …