A、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/937e1af96825472d91324f3726ab11b7.png" \* MERGEFORMATINET
B、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/7a57c0e370ef6cf2f31970b1bf6d7134.png" \* MERGEFORMATINET
C、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/53374c548f29dbfc229db0239a1df2f0.png" \* MERGEFORMATINET
D、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/567242c2ed52105914e3726efb65f621.png" \* MERGEFORMATINET
答案:A
A、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/937e1af96825472d91324f3726ab11b7.png" \* MERGEFORMATINET
B、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/7a57c0e370ef6cf2f31970b1bf6d7134.png" \* MERGEFORMATINET
C、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/53374c548f29dbfc229db0239a1df2f0.png" \* MERGEFORMATINET
D、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/567242c2ed52105914e3726efb65f621.png" \* MERGEFORMATINET
答案:A
A. e是割点
B. {a, e}是点割集
C. {b, e}是点割集
D. {d}是点割集
A. ①
B. ③
C. ①③
D. ①②
D.
A. 1/2
B. 1/3
C. 1/4
D. 1/6
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