已知在平面直角坐标系中,点A(-2,4)B(3,9)求向量an和向量ba的坐标

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已知在平面直角坐标系中,点A(-2,4)B(3,9)求向量an和向量ba的坐标
翻译:在英语方面,比起阅读,我更擅长听力.______English,I am ______ ______ listening ______ reading .谢谢 答句是 I am reading newspapers的问句可以是什么 1、I am (reading a book)now.(对括号提问)2、My father always gives me a book on my birthday(同义句转换)My father always ____ ____ ____ ____ ____ on my birthday.3、People (play “trick or treat”)at Halloween.(括号提 赤道能冻死人吗? 人站在赤道上所受的重力的方向是什么方向的?为什么在赤道上万有引力=向心力+mg?这是不是说此时重力指向地心?为什么不是竖直向下的? 人在赤道上的受力分解 直指赤道的同步卫星和赤道上的人哪个每天走的路程长? He will probably work through the lunch hour and even take work home at night 翻译 赤道色温高为什么赤道的色温高?色温的定义我理解的很清楚,我只想知道为什么赤道的色温高. 宝贝的英文怎么拼写?拜托了各位 谢谢 reading newspapers啥意思 I fell ill with a bad cold yesterday. 看报纸 READING NEWSPAPERS怎么样 I fell_______(serious)ill after a long plane trip because the help you gave me that summer.为什么要加OF呢?加句子不用of That was because the family had a daughter who he felt ___ my help.Because the family had a daughter that he felt_____________my help.A.needs B.needing C.need D.needed为什么选D?能分析下句子吗? 开关电源有哪些特点?它为什么比传统的串联稳压电源效率高? i fell so I fell a bit ill.另外一人说我也是,该怎么表达是SO DO I还是SO AM I还有为什么,请说明理由 英语翻译内容是 今天是9月23日,是我妈妈的生日.我和爸爸去买了一个蛋糕给她.放在她的床边,我想她一定会很高兴/ 有爱国情怀.有爱国情怀的事例...古今中外都要有... 求高兴,神态,思想品质、科学精神、爱国情怀的成语 如何正确爱国情怀 表现爱国情怀的成语(三个) 黄河好词好句 because i am so bad that you are not ualue love me 关系到我的幸福 That is because I am smart.这个句子语法有误吗 I was ill.的同意句I was ___ ___ ill.填空 描写爱国情深的成语 表现爱国情深的成语 写成语,表现爱国情深的.(至少4个) Advertisements have become part of our everyday life and so it’s important that everyone of usourselves about them to avoid being fooled by them.A.be educated B.educatesC.educate D.is to educate