5x减x等于72

英语翻译先主南定诸郡,忠遂委质,随从入蜀.自葭萌受任,还攻刘璋,忠常先登陷陈,勇毅冠三军.益州既定,拜为讨虏将军.建安二十四年,於汉中定军山击夏侯渊.渊众甚精,忠推锋必进,劝率士卒,金 1：21.2g碳酸钠是【 】mol,其中含有【 】碳酸离子和【 】和氧原子,溶于水后可电离出【 】mol钠离子和【 】和碳酸根离子. 英语翻译 若Y与1/X成正比例,X与1/Z成反比例,则Y与Z之间是什么函数关系?说明理由 （物理）我国自行设计的第三代战斗机歼-10战机性能优异我国自行设计的第三代战斗机歼-10战机性能优异,其中短距起飞能力格外引人瞩目.在飞行表演中歼-10 战机在时间t内从静止开始滑行s 球是一个只有面但没有棱和顶点的几何体,为什么? 谁能提供关于绩效考核的英文文献（至少3000字）谢谢!需要做一篇这样的论文, ()言观色 茶言观色怎么样 如何做到擦言观色 IV.单项选择.There,s( )water on Mars A.not B.no C.many 水泥增强剂的成分是什么? 有个性的班级解说词 请问多少个卵泡就属于多囊卵巢 为什么塑料油箱比铁油箱好 主流汽车油箱对比 对吗,第二道不会做, 用恰当的单词填空 写正确单词的那个怎么写 第 1 题：Teacher can easily ___________ the reasons why it seems more and more difficult for the students to learn English once they have understood the basic structures and patterns of the language.A.appreciationB.is aware ofC.understandD.compreh _____means that the price a buyer is willing to pay to buy certain goods.A.offer B.form offerC.bid D.counter offer 3句商务英语函电的选择题 求解!~1.you may rest assure that the quality of the goods______ in full conformity with the specifications offered.A. isB.areC.is to beD.will be 2.we can assure you that the goods will be carefully selected as if 1.Ms Hann called.Our order's been delayed due to problems with a supplier.The order has?A arrived late B not arrived yet.我认为两个选项意思是一样的,没送到不就是送晚了吗?2.Could all speakers please produce summaries of the sessi 怎么写?要正确的!别拍照! 文明礼貌作文 行为礼貌 作文希望是自己写的!要两千字! provider和supplier的区别,一道BEC选择题,With several hundred years of history behind it,the APL Bank has few problems in convincing businesses that it is a reputable and secure__of a range of banking services.这里为什么选的是provider, 11月17日的商务英语大三的选择题5,请给我一些建议,第 1 题：Teacher can easily ___________ the reasons why it seems more and more difficult for the students to learn English once they have understood the basic structures and patter 常以为凡游帝王者 是判断句吗? 怎么写, 已知a‖b,BC⊥CD,点C在直线b上,若角a=20°,则阝= 用四个“而又”造句 若锐角a 、阝满足（1+√3tan）(1+√3tan阝)=4,则a+阝=