两个质数的和一定是偶数

若一个各边长都相等的多边形的周长为96,且它的内角和为1800,则它的边长是? 若一个多边形的各边相等,它的周长为96,且它的内角和是1800°,则它的边长是? 方程asin^2x+1/2cosx+1/2-a=0(a>0,0 大学论文格式 填入适当的句子补全对话A:Tomorrow is Sunday.1、__________B:Nothing much.2、_________A:I'm going to shop.Would you like to go with me?B:3、___________A:Let's meet tomorrow afternoon.B:4、___________A:Let's go there by bus.B:Are we going 英语情景交际! 英语高手来啊 在线等 及时采纳A：1、________________on Saturday?B:I went to zoo.A:2、__________________there?B:I 3、_______________some monkeys,pandas,lions and so on.A:4、_________________ did you do?B:I 5、_____ 英语情景交际 A：Could you help me,please?B:Of course!1.________________A:I want to move the desk.B:2._____________A:I want to put it in my bedroom.B:OK.3._____________A：Yes.let's goB:4._________________A:Yes,it's too heavy.B:Why don't you ta 48.12it__my parents___rushed little Tim to the hospitala.is...thatb.were...thatc.was...whod.are...that 西亚的国家和首都 西亚国家及首都? 所有国家和所有首都分东亚西亚的 I spent the whole afternoon _____ the party?A：onB:acrossC:overD:through(WHY?) 一道英语选择题It was——the second-hand car that the machanic spent the whole afternoon in theIt was——the second-hand car that the machanic spent the whole afternoon in the factory.A.in repair B.repaired C.repairing D.in repair he spent the whole afternoon writing the letter.同义句he spent the whole afternoon writing the letter.Ii_ _ the whole afternoon _ _the letter. I spent the whole afternoon correcting exam papers.是什么时态?I spent the whole afternoon correcting exam papers.spent 是spend的过去式,而correcting是correct的现在进行时呢?这句的翻译过来的改是批改还是改正? I can read you a story this evening同义句 He spend the whole afternoon_____in his studyHe spend the whole afternoon_____in his studyA.locksB.lockingC.lockedD.having locked 有没有a whole-day study这个用法?还是a whole-day-study? 北美数学建模大赛最好怎么组队?人员的特长最好怎么组合? These are his sisters.(改为一般疑问句) 这句话的句子成分是什么? I spent the whole day in my room. 同义句转换： I spent the whole day in my room. 改写：I ___同义句转换：I spent the whole day in my room.改写：I ______ in my room the ____ ____. i spent whole day in my room句中的spent是什么意思 康熙曾和纳兰容若争爱情吗?《康熙秘史》上看的,不知对错纳兰容若有一个从小和他青梅竹马的恋人后来选秀进宫了.这是历史书上的. I spent the whole day in my room,but I did not write a single card!write为什么不用过去式? 各国家第一次发射原子弹的时间 世界第一颗原子弹什么时候诞生的 My future in the life 1将来你将从事什么样的工作 2将来你会居住在哪里 3将来...My future in the life1将来你将从事什么样的工作2将来你会居住在哪里3将来你如果拥有一些自已的积蓄,你会做那些比较 英语翻译memory of you from the dawn of my youth；your insane and stroking beauty；happiness ended that day；and how,；it seems to late now；i know already that we won't be together；but yet i keep on clinging；and how whole life went by si whole life英文怎样读 以闯为话题作文 浮球阀关闭不严,水位到达上限,浮球阀依然会滴水出来.浮球阀是不锈钢的.