1/1*3+1/3*5+1/5*7+......+1/99*101=?

what does this mean?还是what is this mean? what does this word mean怎么翻译 为什么填 mean what's this words mean?I bought a paper,the words on it are arabic.I can't understand it.Is there anyone could tell me the meaning of these words?Thanks! how many people are there in your family 的中文意思是什么? 以My Spare Time为题,写一篇短文介绍自己的课余生活今晚就要了..能给我的,我感激不尽哦..8:00之前给的有多家分呐中等..别太长咯也别太短咯 用My Spare Time 为题写一篇短文提示词be interested in be good at be busy with weekends enjoy doing70字 是叫KOBE好还是BRYANT好?是叫KOBE好还是BRYANT好听? 什么叫KOBE BRYANT级的手感?如题↑ Take care of the pennies and the pounds will take care of themselves 是什么意思?如题呵呵 我觉得两位的答案都可以。 再问一句好不？we're all penny wise and pound foolish. 还有， 我觉得第一句好像有节俭的意思 英语翻译mind作 照顾,处理 我哥哥比我更努力英语,用hard working这个词 英语翻译One upon a time,there were little hare whowas going to bed held on tight to Big Nutbrown hare.Big Nutbrown hare has longears.Little hare wanted to know how much Big Nutbrown loved him.Big Nutbrownhare said:I love you as stretching out his 英语翻译Our four-year-old son came into the house too proudly show me a caterpillar that was crawling up his arm.Trying hard to conceal my squeamishness,I said,“Mark,why don’t you take it back outside?His mother will be looking for him,and he come up with 与think up,think out,think of think up,think out,come up with相同吗? hard-working 和work hard的区别 work hard,hard work,hard-working在意思和用法上有何差别 整理书用英语怎么说 书已整理好 用英语怎么说 三八妇女节快乐和摘草梅怎么用英文说啊\谢谢如题 草梅英文 英语作文：MY LIFE【一般现在时】要求：※单词100个左右；※6年级以内水平就可以（超出此范围的单词至多一两个）另外,请在2天内答复, Write sentences.Use the following words in your sentences 是什么意思? 填空题：Complete the following sentences with suitable words.we are pleased to advise you that the consignment under your order NO.1122 has now been dispatched per S.S Manhattan scheduled___ leave here on the 15 Oct,and du8e___arrive at your port rewrite the following sentences with the given words(1)they are [friendly] to us.(friend)(2)we will have a [discussion] about this problem.(discuss)(3)We all know that Venus is [a beauty].(beautiful) 请分析一下这句话的语法:Write sentences using the following words. 世界上共有几个国家几个城市里有唐人街? 为什么好多国家都有唐人街? 好多国家都有唐人街,为什么 好多国家都有唐人街,这是为什么我要短小精悍的原因,不要给我乱来,否则一分都不给! think up 和come up with的区别它们是同义词组吗?可以互相转化? 请问抛光粉（Cr2O3）有毒吗