安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
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- 知乎 - 有问题，就会有答案
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。
- Why is $1$ not a prime number? - Mathematics Stack Exchange
50 actually 1 was considered a prime number until the beginning of 20th century Unique factorization was a driving force beneath its changing of status, since it's formulation is quickier if 1 is not considered a prime; but I think that group theory was the other force
- 2026年 618 电脑配置推荐（配置单可以直接照抄）
2026年618台式机电脑DIY配置推荐（这篇文章每月都会更新，可以收藏） 618装机记得先领知乎官方红包~
- Mathematics Stack Exchange
Q A for people studying math at any level and professionals in related fields
- 卡路里、千焦、大卡傻傻分不清楚？关于热量看这一篇就够了
但是，现实却是如同亩、平方公里、平方米一样傻傻分不清楚，需要换算才能进行比较。这片文章就带大家科普下关于热量相关知识。 1、热量的计量单位和换算 能量的单位是焦耳，简称焦 (J)，1000焦=1千焦 (KJ)。 这个热量单位通常在包装食物的营养成分表都可以看到。
- How can 1+1=3 be possible? - Mathematics Stack Exchange
Hi, welcome to Math SE! Can you show us the proof you're looking at? There are a lot of false proofs of this sort out there, typically involving division by 0, I would imagine that's probably the gimmick in the proof you've found Here's a helpful link to get a sense for how to use MathJax
- 1 8, 1 4, 1 2, 3 4,7 8英寸分别是多少厘米? - 知乎
把1英寸分成8等分: 1 8 1 4 3 8 1 2 5 8 3 4 7 8 英寸。 This is an arithmetic sequence since there is a common difference between each term In this case, adding 18 to the previous term in the sequence gives the next term In other words, an=a1+d (n−1) Arithmetic Sequence: d=1 8
- What is the value of $1^i$? - Mathematics Stack Exchange
There are infinitely many possible values for $1^i$, corresponding to different branches of the complex logarithm The confusing point here is that the formula $1^x = 1$ is not part of the definition of complex exponentiation, although it is an immediate consequence of the definition of natural number exponentiation
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