60、互联网可以用( )来描述,其中结点表示网页,边表示网页间的链接。
(1.0)

A. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/692f9fd4dfd71709e724a1a848ac08b3.png" ＼* MERGEFORMATINET

B. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/50770833d22f060e7239d5c5ad2abfcb.png" ＼* MERGEFORMATINET

C. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/e5757f1f8d9f69ca161ce967e93f2d4a.png" ＼* MERGEFORMATINET

D. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/784cfc65930f1ace82cd31c28b60ddbf.png" ＼* MERGEFORMATINET

A. 　 9/11

B. 　 8/11

C. 　 2/5

D. 　 8/9

A. 　 将重数计算在内,矩阵A和 INCLUDEPICTURE ＼d "http://mooc1-api.chaoxing.com/ananas/latex/p/112224" ＼* MERGEFORMATINET 具有相同的特征值

B. 　 如果5×5矩阵A的不同特征值少于5个,那么A不可对角化

C. 　 INCLUDEPICTURE ＼d "http://mooc1-api.chaoxing.com/ananas/latex/p/3847" ＼* MERGEFORMATINET 中存在没有特征向量的2×2矩阵

D. 　 一个非零向量不能对应于A的两个不同特征值

A. 　 n-1

B. 　 n(n-1)/2

C. 　 n(n+1)/2

D. 　 INCLUDEPICTURE ＼d "http://mooc1-api.chaoxing.com/ananas/latex/p/576" ＼* MERGEFORMATINET

A. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/cbfa63facc47534b5791c0edb3985858.png" ＼* MERGEFORMATINET

B. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/f00401a0806543e0c700b626719028d3.png" ＼* MERGEFORMATINET

C. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/b68a546fa6a2abd42fdf096156b763f0.png" ＼* MERGEFORMATINET

D. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/d7b17fc70b316cb4a0d33d9111f5a0fe.png" ＼* MERGEFORMATINET

A. 　 ( INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/de6bd030da8ecfa5cfe147a1bcf6d6c7.png" ＼* MERGEFORMATINET )( )

B. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/e7e235dde4a96da125d82b495895dee9.png" ＼* MERGEFORMATINET

C. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/c0a1bab5a727ad41ec49329735bc2328.png" ＼* MERGEFORMATINET

D. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/79578a445e01933c2208dd62fee408bc.png" ＼* MERGEFORMATINET