A. ACB=E
B. CBA=E
C. BAC=E
D. BCA=E
A. 反射变换,伸压变换,切变都是初等变换
B. 若M,N互为逆矩阵,则MN=E
C. 任何矩阵都有逆矩阵
D. 反射变换矩阵都是自己的逆矩阵
矩阵, INCLUDEPICTURE ＼d "http://mooc1-2.chaoxing.com/ananas/latex/p/23856" ＼* MERGEFORMATINET 
有解,则( )
A. INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/79c9956d2c877d0df05eb529e6365644.png" ＼* MERGEFORMATINET 
B. INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/ccd273e1009d4e370c43ab0c0caa5d2e.png" ＼* MERGEFORMATINET 
C. INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/2931de922a6acc59de6d04e023beaa5d.png" ＼* MERGEFORMATINET 
D. INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/84d415fa7a70ee3c0d1caba60c13ab66.png" ＼* MERGEFORMATINET 
A. INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/2c79950d28016a72597b4f4f76fa6919.png" ＼* MERGEFORMATINET 
B. INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/8309567273fa234e9387c093ebe78eeb.png" ＼* MERGEFORMATINET 
C. INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/55ac4c0e2b3f16262d05e475cb4a70bd.png" ＼* MERGEFORMATINET 
D. INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/35fc36002121149f45d835d016229bae.png" ＼* MERGEFORMATINET 
A. 5/6
B. 9/10
C. 2/15
D. 1/15
A. {(a, d)}是割边
B. {(a, d)}是边割集
C. {(d, e)}是边割集
D. {(a, d) ,(a, c)}是边割集
