离散数学练习题解答
1.
A - B = {1, 4, 5}
A ∪ B = {1, 2, 4, 5, {2}, {5}}
2.
Kn中有n*(n-1)/2条边
3.
T中有3*6+3*4+3*2-2*6=18片树叶
下载地址
用户评论
1.
A - B = {1, 4, 5}
A ∪ B = {1, 2, 4, 5, {2}, {5}}
2.
Kn中有n*(n-1)/2条边
3.
T中有3*6+3*4+3*2-2*6=18片树叶
