816÷8的竖式计算

无线路由器设置中的“信号频段”是什么意思? You might hate your life,but others may dream of having a life such as yours such a frastrating 问个语法问题：I have seen the movie yesterday.这个句子为什么是错的I have seen the movie.这个句子可是对的。为什么加了个yesterday就不对了 the sound of silence的介绍和翻译 50分求英文歌《The sound of silence》的英文简介要英文的 要用英文介绍给别人 The sound of silence 为什么你的名字叫杰克?我很好奇.这句话用英文怎么说? 杰克长得像他父亲,用英文怎么说, A man can't ride your back unless it is bent是什么意思,如题 壶塞在暖壶上弄不下来.谁有好办法的?3Q Simon的The sound of silence歌词是什么?男声英文 sound of silence歌词汉语翻译? 求sound of silence歌词是dj okawari那个版本的,谢谢啦 only then ...the importance of learning englishA did i realize B have i realizeed 好多句子都分不清要用do还是 have 该怎么区分呢? who's school bag is lighter?A.Helen's B.Li Ling is （yang ling's ）ruler is longer than yang kai's（对画线部分提问）—ruler — longer—? I sat in the front of the bus to get a good view of the countryside.的to 是什么 关于线代线性方程组解的问题当k为何值时,线性方程组 x1+x2+kx3=3 有唯一解、无解、无穷多解?在有无穷多解时求通解.x1+kx2+x3=3kx1+x2+x3=4-k^2 线性方程组解的结构!α1=(1,2,5,7)Tα2=(3,-1,1,7)Tα3=(2,3,4,20)T是齐次线性方程组（I）的一个基础解系β1=(1,4,7,1)Tβ2=(1,-3,-4,2)T齐次线性方程组（II）的一个基础解系求这两个不同方程组的公共解k(1/2 * 问一下这类线代解结构问题,应该怎么解最方便?解下列线性方程组：X1-X3+X5=0X2-X4+X6=0X1-X2+X5-X6=0X2-X3+X6=0X1-X4+X5=0不是上面的题目复制黏贴错了。（a+3）x1+x2+2x3=aax1+(a-1)x2+x3=a(3a+3)x1+ax2+(a+3)x3=3 who do you think is thev ( ) (勇敢) in your school 急问 relate to 与with的区别1,These words are related to each other in meaning.2,What she has said does not relate with/to the fact.第一道题的答案只有TO,而第二道题两个都可以,上网搜索了一下,后边有each other 的都用 relate to与associate with的区别 relate to 与relate with 有没有区别?有什么区别?词组辨析 2 第一第二题答案 "The sound of silence"指的是什么意思? 英语翻译谢谢回答的几位。上文是“给我用一个传感器锁定其它几台兽人大杀器，我的视野里全是他们冒出的黑烟！i want to fell where that thing is!” Friendship is something that everyone needs.Success is nothing without friends.You share life,ha until you remember without them,your life is worth nothing 怎么翻译啊 This film is not so good as the one we saw last week.the one 可不可以改为that,为什么? catch sight of 和 at the sight of 是同一个意思么