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若a 若ab=1,则式子a/a+1+b/b+1=1成立,为什莫?（详细一点） Internet language can be f【】 and cool among friends can’t Be Friends歌词 意思 |AB|=|A|*|B|何时成立,如何证明?A,B均为矩阵 小明发现了一个有趣的数学现象a,b是正数那么a/b+b/a+2=ab证明这个式子 谁能帮忙解决一道六年级的数学题呀,明天交,急~题是这样的：小明有6角和8角的邮票若干枚,总价共68元,其中6角邮票比8角邮票多20枚,这两种邮票各有多少枚?要用六年级上册的解决问题的策略 应用题：1：加工一批零件,甲乙合作24天可以完成,现在由甲单独先做16天,然后乙再做12天,正好昨晚这批零件数的3/5,问乙单独完成要用多少天?2：空的长方体容器甲的水深24cm的长方体容器乙.将 求高一英语必修4 Unit3 words and expressions录音.人教版的.第一个单词是humorous 以个性为话题的作文除诗歌外,文体不限,800字左右.急,要初中水平的,谢谢各位快一点. Groove coverage 为什么被翻译为舞动精灵? 以“个性与角色”为话题的作文 陈涉世家和项羽本纪我想知道着两篇文言文的意思, 英语翻译DIY is very popular in China now.Do you know what it is?Yang Chen works for a computer business in Beijing.Though he enjoys his work,it is hard for him for relax after work.“For a long time,I had no choice except going to a bar for a dr 英语多翻译多读句子和文章有什么好处吗? 英语翻译The fact was,however,that she was always dreaming and thinking odd things and could not herself remember any time when she had not been thinking things about grown-up people and the world they belonged to. --Could you tell me when____?--At 10:25,in ten minutes.--Could you tell me when____?--At 10:25,in ten minutes.A.the bus has left B.the bus had left C.will the bus leave D.the bus will leave Could you tell me when___?——At half past ten.In a few minutes.A will the train arrive B:the train has arrived C:the train will arrive D:the train arrives 选哪个呢?感觉好像C D都对一样.注 ：when 有主将从现 所以才疑惑 Could you tell me when _____?At 10:50,in ten minutes.A the bus will leave B will the bus leaveC the bus has left D had the bus left i can't to be your friend女的唱的慢歌 关于 泼水节作文 I have been offered a large_________of money.(a)amount(b)number (c)some (d)piece 有关泼水节的作文! these are food like the food of many years ago Having lived in France for many years,they still enjoyed the foods__in their homelandA.which were used to havingB.they were used to havingC.which used to haveD.they were used to have为什么选B不选A? 帮忙赏析七年级下课文在沙漠中心中的随笔5个句子在 60-90字之间吧.谢 在vb中编辑程序,输入一个整数,判断是0,正整数,还是负整数Dim a As Stringa = Val(Text1.Text)If a < 0 Thenb = "负整数"ElseIf a > 0 Thenb = "正整数"Elseb = "0"End IfText2.Text = b我这样有什么问题吗? —Have some new ideas _? —Yeah. I'll tell you later.A.been come upb.come up withc.come upD.came up with答案说选C,说什么come up with提出,其主语是人.不明白为什么 以"个性"为话题的文章怎么去写话题作文?用我问的这个话题写! -John is going to cut down the tree at the school gate .- For what 中的.- For what （语文人教版六年级上册詹天佑）对短文中画_______________的句子,你是怎样理解的?（詹天佑经常勉励工作人员,说：“）我们的工作首先要精密,不能有一点马虎.‘大概’‘差不多’这类说法 短文 一罐水 画横线的句子反映了侵略者的什么