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甲乙丙三个数,甲乙的平均数是97,乙丙的平均数是88,丙甲的平均数是91,三个数各是多少?要算式!不要方程! 英语＂我认识你＂＂我知道你＂可以翻译成I know 我找宝经手真言的正确读法和大悲咒读法 哪位时间序列分析方面的大神,帮我建一个AR（P)模型,时间序列A=[0.6337,-0.1415,2.6863,0.7659,0.0905,1.5765,4.1232,5.8021,0.1650,1.6288,3.6476,-0.7237,-4.7569,-5.6606,-2.8512,-2.3948,-3.7381,-0.8529,-10.3476,-13.2583,-12.9010,-11.2 时间序列中AR模型的因果性和平稳性有什么区别? 描述数学模型对金融的重要性,要求一定口语化! 第七主族的元素的非金属性是同周期中最强的 这句话对吗 如果对 Ar呢 雅思口语怎么描述小时候的玩具 求一首歌名 do do do i need some money money是一个男声唱的,快歌,旋律很好听,大概是近一个月内的新歌. 朝花夕拾读后感的题目怎样命名好呢? Can i borrow ____money from you?Sure,How ____ do you need?英语Can i borrow ____money from you?Sure,How ____ do you need?A.some,many B.some,much C.a few,much D.a little,many 解决111111题目改错.1who run faster than you in your class?2I often go jog after school/3Lets visit Ming Tombs together 英语题目111111@##@###@@@@@@@@#I couldn't go out that evening, for I________to wait for my friend at home.(agree) 111111鉴定废液中一定含有硫酸的方法,除了用ph试纸!另外：向废液中滴加氢氧化钠溶液证明有硫酸.则实验现象是什么? She never feels (bore),when she is with her cousin,but she feels (happy)when she reads a (bore)bookHe plays the piano (good).His parents think he's very (music) "Are these enough for you all " “————”.A .Much more B.Many more C.More many D.Too much为什么是用many more 而不是much more -Are the enough for you all?-I'm afraid ________are needed.空填much more 为什么? these,are,easy,for,questions,you,to,enough,answer连词成句 are these enough for both of you.i'm afraid not.( )are neededAmuchmoreBmanymoreCmoremanyDtoomuch答案是什么?并分析它们之间的区别!谢谢! 高一英语选择题5-15 you need money and time;in additon , you need diligence to do the work well 问题如下diligence 不是 名词 勤奋的意思吗? 为什么后面 有to do ,周报原句就是这样写的,是否错了? 朝花夕拾读后感1000字,不要复制的!不要写得太太太太深,3Q 朝花夕拾 读后感 600字左右 不要重复的 古文伤仲永的问题金溪民方仲永,世隶耕.仲永生五年,未尝识书具,忽啼求之.父异焉,借旁近与之,即书诗四句,并自为其名.其诗以养父母、收族为意,传一乡秀才观之.自是指物作诗立就,其文理皆 He didn`t like listening to music before.（写出同义句）He ___ ___ to ____ listening to music. He liked listening to music before,but now he doesn't like it.(改为同义句） Steve liked listening to music before,but now he doesn't like it.(改为同义句) Steve _______to______listening to music. Most of the Europeans refuse to accept GM food____ Americans regard it as the fruit from high tech.A.when B.as C.while D.the moment 请分析句子成分并翻译 .说清楚点哈, 高一英语必修一课后题,##{帮我填一下空吧} 拜托了了了啦// 世说新语陈太丘与友期1.友人“下车引之”的用意是什么2.“元方入门不顾”以表示 陈太丘与友期是世说新语的第几则 已知P（m+1,2m+3)在y轴上,那么点P坐标是多少.（请说明过程）