A. 顶点个数相等
B. 边数相等
C. 度数相同的顶点个数相相同
D. 两个图的形状相同
A. INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/8d20d56c6127cc96b7e82bf3b108e066.png" ＼* MERGEFORMATINET 
B. INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/45716c0b86036041d966258ffc59f340.png" ＼* MERGEFORMATINET 
C. INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/d44ccd518c7d8ce91bbdece690509d7a.png" ＼* MERGEFORMATINET 
D. INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/13176250575a997b8b0dfa7183b109eb.png" ＼* MERGEFORMATINET 
D.
A. 算法只能用自然语言来描述
B. 算法只能用图形方式来表示
C. 同一问题可以有不同的算法
D. 同一问题的算法不同,结果必然不同
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 
