A为4×3矩阵,a1,a2,a3是非齐次线性方程组Ax=b的三个线性无关的解,求Ax=b的通解.A的

古人日常对话说文言文吗? it is at this time that students realize hou much they need to learn and how little time they have to do it 古人对话是用文言文吗?这类问题很多,不过说法也很多.我就想知道你们是在哪里看到的,给我链接. 古人普通的对话也用文言文吗 请问古人日常会话用的是文言文还是什么? 我们如何认识自然景观遭到人为破坏的情况 如何认识自然景观遭到破坏这一现象 自然景观在现实生活中的意义 好的开头和结尾摘抄五篇, 短文蝉的几道问题蝉生命的意义是什么 如何给朝花夕拾读后感拟一个正标题拟一个正标题!如果能拟一个《骆驼祥子》的就更好了, 朝花夕拾读后感 的题目怎么取我是选了几个篇章来写的.不要给我说《朝花夕拾》有感等等 我们老师不准的! 写一篇命题作文《螳螂》 写法要先抑后扬 就像小思的《蝉》这篇文章一样 写一篇读后感,关于《朝花夕拾》的,题目尽量有文采一点,内容不要太抒情,但也不要叙事的.还有,尽量不要从网页上复制的, 如何帮助孩子提高英语成绩? 怎么帮助孩子提高英语? 教我几招帮助孩子提高英语的妙招吧?孩子今年上3年级,但英文一直不理想 摘抄还额作文的开头结尾（要优美的）名著 水浒和傅雷家书的人物性格摘抄（每个人大概200—300字左右）.培根随笔的名言摘录（20句到40句左右） 作文的好开头和好的结尾（倒数两段） 主 这就是我作文开头和结尾摘抄 摘抄作文的开头和结尾每段100字以上 “锦瑟”这个词语是什么意思? They said what I wanted to say什么意思 what did YangYing say?She said they___a school trip next weeka will have b,had c.would have d.have -- what did yang ying say -- she said they --- a school trip the next weekenda\ will haveb\ hadc\ would haved\ have请您说明理由好吗? 《锦瑟》最后一联在全诗中有什么作用 家长如何帮助孩子提高英语成绩 He didn't seem to mind their watching TV _____ he was trying to studyA.whileB.untilC.IfD.unless 14.He didn’t seem to mind their watching TV ______ he was trying to study. He didn't seem to mind_____TV while he was studying.下面哪个答案正确?A.them to watchB.that they watch C.their watchingD,watching麻烦说明一下为什么（最好通俗一点）. he did not seem to mind---- tv while he was trying to studyA.them to watchB.that they watch C.their watchingD,watching He didn't seem to mind_____the music while he was studying.下面哪个答案正确?a.them listening b.them to listen to c.when she returned d.that did she return不要网上找的.最好有通俗易懂的解析.