集合A不属于集合B怎么用数学符号表示?-查字典问答网
- 英语作文一篇,骗子死全家Today,inChina,moreandmoreparentsaresendingtheirchildrentostudyinforeignuniversities.Yet,someparentsstillinsistthattheirchildrenshouldfinishuniversityeducationwithinChina.Whichwouldyouprefe
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- 工程队修路,已经修了全长的1/4,若再修72米,则已修与未修的比是2比3,这条路长多少米.方程
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- 看看这篇英语作文有没有语法上的错误.Inrecentyear,overseasstudyingisverypopular.Moreandmorepeoplegoabroadinordertostudying.Differentpeoplehavedifferentidearsonthisphenomenon.Somepeoplethinkthatitisnoneccers
- 修路,甲单独修40天完成,乙单独修60天完成,甲乙合修多少天还剩下这条路的3分之1?
- think,believe,imagine,suppose,consider,espect,fancy,guess这些词是什么词?我知道是动词,那么是动词中的哪一类?
- 【怎么使自己的思维敏捷一些,反应快,能快速的想出一个问题的解决办法,比如在做数学题时.我在做数学题的时候,通常要想好长时间,因此作题做得很慢阿!】
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- 【求英语单词的所有词性英文缩写】
- 【Raiseyourhandsifyouhaveanyquestions.(改意思相同)】
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- Youmayhaveheardtheterm“theAmericanDream”.In1848JamesW.MarshallfoundgoldinCaliforniaandpeoplebeganhavinggoldendreams.That19thcentury“AmericanDream"motivated(激发)theGoldRushandgaveCaliforniaitsnick
- 为什么英语有些单词可以缩写呢,比如说doctor缩写成doc