根号a2x2的不定积分

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jack sits beside the window and ------------of it from time to timea looks b looks after c looks at d looks out 谁有优美的语句?优美语句谁有啊,加油回答吧! 优美的诗句 动物说明文 600字到700字,总分结构,可以像《松鼠》也可以像《云雀》,今天要, 仿照五年级上册《松鼠》这篇课文写一篇说明文请最好下午回过来! 英语填空,1Karen:Are you going to the school party?Mike:Yes,I am.(这里该填什么?)to wear ny new jeans.Karen:You can't do that!Mike:What will happen if I do?Karen:(这里该填什么?).You should wear your cool pants.Mike:That's a grea 一道英语填空,一道英语填空I think Tim should be allowed to get the driver's license.I _ with you.He is _ w_ to keep calm. 做一道英语填空 .We have new neighbours .Let's ______ them this weekend.是填入最恰当的单词 .快 我是订正用的 ,想了半天不知填啥.(meet是错的!) 一道英语填空快在线等!Walk over the f__________ at Xinjiekou and you’ll find Jinling Hotel. 怎样自己做涮羊肉请问涮羊肉时锅里是油加料还是水加料呢?想自己做一次, 需要什么原料,具体步骤是什么, 已知函数f(x)=x²-mx+m-1,是否存在整数a,b(其中a,b是常数,且a<b),使得关使得关于x的不等式a≤f(x)≤b的解集为a≤x≤b?若存在,求出a,b的值,若不存在,说明理由. 【已知函数f(x)=x2-mx+m-1 是否存在整数ab使得关于x的不等式a≤f(x)≤b的解集为a≤x≤b?】 和【是否存在函数f(x)=6-x2的定义域和值域均为(m,n)】 这两道题有什么区别?解题方法一样么? 拼音开头q的字有哪些 似乎 用英语怎么说? 也许用英语怎么说 与美有关的词语我有一个( ) 的愿望,那就是在风景( )的地方,静静地聆听( )的声音,享受( )的水果,欣赏( )的花朵,做着我平常不敢做的( ).尽量不重复 有关“美”的词俊俏美丽叫( )完备美好叫( ) 金致美好叫( )华贵美好叫( ) 带有夜的词语 与‘美’有关的词汇仅限于词汇 追星 英语怎么说名词形式的 追星 用英语怎么说/?如题. ‘追星’ 英语怎么说啊 一道观察下列各式的数学题6分之1=2乘3分之1=2分之1-3分之1,12分之1=3乘4分之1=3分之1-4分之1根据上面的用含有n的等式表示它的规律用这种规律来算下面这道题(x-2)(x-3)分之1-(x-1)(x-3)分之2+(x-1)(x-2) 观察下列格式3^2-1^2=8×15^2-3^2=8×27^2-5^2=8×39^2-7^2=8×4……(1)用只含正整数n的等式表示你所发现的规律(2)请通过运算来说明你所发现的规律是正确的 人类的智慧从那里来? We have to go now.They ( )(wait)for us at the bus stop括号里填wait的什么形式 Jordyn Taylor - Dream You To Life 这首歌的中文歌词是什么?To life, to life, to life, (Mmmm) It's 3 am, 3 am I'm half asleep I start to feel , Start to feel; you next to me Lying here in the dark Somethin' dont feel that right 'Cos it's too It is recommended that the project _____ until all the preparations have been made.A.is not started B.will not be startedC.not be started D.is not to be started It is recommended that the project ___started until all the preparation have been made.A.is not B.not be C.will not be D.is not to be It is recommended that the race ___C__ until all the preparations have been made.A.is not started B.will not be started C.not be started D.is not to be started请高手讲下以下4个答案,为什么要选C,A不可以吗.麻烦给讲的详细点,我 it is recommended that the project ___________为什么not be starated 用而不是will not be starated 怎么翻译