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数学这个科目令人感到头痛不已,网友们你们自认数学程度好吗?最近在网路上流传一道数学题,看似简单的题目,意外引起网友热烈的讨论。solve carefully25-55+(85+65)=you probably won't believe it, but this equals 5!你可能不相信,这道题的答案是5!网友讨论:译文来源:三泰虎 /.html外文地址: /r/MathJokes/comments/3mqlae/thoroughly_confuse_your_friends_with_this_correct/MadTux 28I must confess .. I don't get it.EDIT: Or is that the joke?必须承认,我没有搞懂这是笑话吗?nissansilviafan 52The joke is ! is factorial, not an exclamation point. So 5! = 5 * 4 * 3 * 2 * 1 = 120 which is also what 25-55+(85+65) equals.笑点在“!”是阶层,不是感叹号5的阶层就是5 * 4 * 3 * 2 * 1 = 120MadTux 9Oh. Now I feel stupid (._.)哦,我现在感觉自己好傻啊&BadSmash4 5Oh goddammit that's annoying hahaha. But it's good. I should have known when I got 120 but I was too focused on it not being five. Thanks for keeping me from going batshit.哦,烦人,哈哈本该懂的,就是老想着答案不该是5&Bromskloss 8It took a while before I got it, because, contrary to the use of the word "solve", it was apparently not an equation with "YOU PROBABLY WON'T BELIEVE IT, BUT THIS EQUALS 5!" as the right-hand side.In the end, it was just about interpreting the "!" as a factorial, which then means that there is a period missing after the sentence.看了一会才懂归根到底是要把“!”解读为阶层,也就是句子后面漏了一个句号&DirichletIndicatorWell, I'm thoroughly amused好吧,我彻底被逗乐了&edderioferPosted this one to Facebook. Let's see how good my friends are at mathematics.把这道题发到facebook上,看看我朋友的数学水平怎样&Chief Petosky Chief PetoskyI remember a stupid sales guy promising a client, "If you go with us, you can save $500,000!"I thought, "No way, dude, my SOA calculator won't even calculate that."我记得一位愚蠢的销售对客户承诺说:如果选择我们,你可以节省500000美元!我想啊,不可能,老兄,我的计算器都算不过来呢
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这个题怎么做?1千克某种理想气体,分子平动动能总和是1.86*10六次方J
已知每个分子质量是3.34*10的-27次方kg
试求气体温度 哥哥就是想知道百度上到底有多厉害的人物
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1kg 这种物质中,共有分子n=1/(3.34*10的-27次方)=3*10^26 个分子平均平动动能E=1.86*10^6/n又因为分子平均平动动能E=(3/2) kT
(解释,这是热力学里面的一个公式,你学大学物理的吧,应该知道)其中:k=1.38*10 的-23次方,代入以上数据,得: T=299.5K
(也就是,大约27摄氏度)
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