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已知点P（3,-1）关于y轴的对称点是（a＋b,1一b）则a的b次方的值为多少? 英语单词hill怎么读 英语hill是山吗 Fragrant Hill怎么读 关于六年级的圆柱体体积的题目一个正方体量杯于一个圆柱体量杯底面积的比是3：5,圆柱量杯底面半径是5cm.现要将0.785升的水倒入这两只空杯中,使水面一样高,问这时高多少厘米?过程,思路. 将一个高为8分米的圆柱体割拼成一个等底的长方体,表面积增加了24平方分米,原来圆柱体体积是多少 数学求不定积分 数学好的帮忙求下不定积分.∫ x/{(x^2+a^2)^1/2 }dx.∫{sin(x^1/2+1)/x^1/2}dx. ∫{e^2x/(1+e^2x) }dx..麻烦高手求下啊,我求来求去求不对,麻烦了. There is nothing like a good story for breakfast. can you tell me who is the girl?but ,don't tell me that girl is you! 花花家有个用来放酒的瓶子,瓶身呈圆柱形（不包括瓶颈）已知他的容积是2L.花花把瓶子放正时,瓶里药酒的液体高为12cm,把瓶子倒放的时候,空余部分的高是4cm.瓶里药酒的体积是多少?我打了好 who study in glassgow?tell me something about the weather therei have heard that glassgow is rainy quit often,nearly rainy every day,is it ture?and is the day there very short?can we eat seafood often there? 英翻中There is noting like home. there is noting like traveling by plane 英语 there is nothing like so careful now as in the past请问 这里的as 怎么翻译他是什么词性 介词 或是 副词 或是其他? What question can you never answer "yes " if even it is ture 注:我们都活着哪 写“我最喜欢的节日-春节”的英语作文怎么结尾? 我最喜欢的中国节日是春节人们在什么时间庆祝他英语作文 在中国历史上有哪些关于知己的人物故事 英语翻译 写冬天残荷的诗 “留得残荷听雨声”的全诗是什么? 求关于残荷的诗句.急最好附出处和作者.散文什么的都可以,描写残荷就OK了 Many animals feed their newly born babies on milk from the mothers' own bodies.It's used instead of the blood that carries food to the babies before they were born.那个（It's used instead of the blood )啥意思 feed the baby on milk 为什么用on 而 feed the dog with bones为什么用with Hurry up and die so I can play.F*** you . 把主语从句That A married B surprised everyone改成普通句 I can do it ,so just do it! He won the first prize in the contest,______ surprised all of us A.it B.that C.which D.who这个题属于什么结构,选项在句中做什么成分,最好能讲解下it that which的区别 新东方新概念英语网络课堂怎么样?想学新概念英语2册.网络课堂如何...新东方新概念英语网络课堂怎么样?想学新概念英语2册.网络课堂如何收费? 英语翻译hunt on their other land .Together they set aside 180,000 acres ,or 728 square kilometers ,of land.They called this a "wildlife Bank".虽然有点长, 谁有新东方新概念英语第二册互动版的下载,