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我现在在上初二上学期,我想请教一下有没有比较好的作业适合我做,我要那种训练基础的情况下还要再提高的,就是还要再上层一点的,而且题型我希望都对我的学习有较大的帮助.然后就是英 什么中心词、动名词、名词、动词、等等词的意思,越多越好.）代词、很多，都告诉下小弟 老师告诉我们一些注意事项翻译成英文 让我告诉你保持健康的方法吧 用英语怎么说? 我是一名初2的学生,我感到学英语十分的困难,很多英语文章别人读了几遍就可以背得很流利,可我读了几十遍都背不出.而且我记的英语单词也不牢,本来记住了,可过了1个月就会忘,短语也不知 求矩阵A=(1 -2 -2;0 5 4;0 -2 -1)的特征值和特征向量 求矩阵的特征值和特征向量: A=[2 -1 2 / 5 -3 3 / -1 0 -2] 求矩阵的全部特征值和特征向量.1 0 0 -2 5 -2 -2 4 -1 求矩阵(2,-1,2)(5,-3,3)(-1,0,-2)的特征值和特征向量.（需要全过程, E -AB可逆,证明E -BA也可逆 ,老师您看这种方法对吗(E-BA)[E+B(E-AB)^{-1}A]=E还有为什么等于E呢,我没弄明白谢谢老师! E -AB可逆,证明E -BA也可逆1 奥地利介绍 去奥地利旅游买什么好_奥地利买什么便宜 杜牧的所有诗有哪些 杜牧诗的风格杜牧诗歌的艺术风格如何概括 杜牧的全部诗 『数学题』新加坡的数学题,超难!1）In a farm,there are cows and chickens which have a total of 86 eye and 142 legs.How many cows and chickens are there?2)A weightlifter puts one large and one small iron disc on each side of a lifting roa 解数学题的英文怎么说?七下, 我们必须按时上课用英文怎么说! 求下列矩阵的特征值和特征向量 1 2 3 2 1 3 3 3 6 麻烦写下过程1 2 3 2 1 33 3 6 这是题目 航空母舰在大海中航行时怕不怕飓风、海啸? 三阶矩阵A={3 -2 -4,-2 6 -2,-4 -2 3} 求矩阵的特征值与特征向量 求下列矩阵的特征值和特征向量 2 0 0 1 1 1 1 -1 32 0 0 1 1 1 1 -1 3 请教大家下小学数学课教案怎么写好?了解的告诉下哟,感谢各位8h 1.orange dining empty old 2.ran walked rolled sat 3.class children person teacher 4.shortest meanest science politest 5.hungry smart unpopular talented 6.who where why when 7.tall loud clean slow 8.ticket theater show star 9.cu 日本海啸2011年3月11日海水冲陆地几公里? 求矩阵A=[4 0 0;0 3 1;0 1 3]的特征值和相应的特征向量. 请问那诗到底是杜甫还是杜牧写的? You have nothing to ______ by refusing to listen to our advice.A) gain B) grasp C) seize D) earnAs a result of careless washing the jacket ___ to a child’s size.a、compressedb、shrankc、droppedd、decreased6.He hoped the firm would ________ him 1-4题为选择与括号部分一丝相同或相近的选项1.I looked for my book [everywhere].A.anywhere B.somewhere C.here and there D.each where2.He is looking after his brother [all the time].A.always B.often C.long time D.for long 3.We [sometim 1.The Smiths _____in this house since they were married 10 years ago.（我认为选B,但答案是D）A.lived B.are living C.has lived D.have lived2.The jacket doesn't _____.It's too tight across the shoulders.（我认为选C,但答案是B）A.match 英语问题~~~~非常感谢~~~~~你的解答!要有详细过程哦（1）______ is no reason for dismissing her. A. Because she was a few minutes late B. Owing to a few minutes late C. The fact that she was a few minutes late