@[ltmshumiao](/user/1383031) 可以理解为四个点的图可能有几条边？
by Nefertari_fly @ 2024-09-19 22:46:36
A.(应该食)
by MUXINONENI9 @ 2024-09-19 22:47:08
@[Nefertari_fly](/user/1010982) 什么意思？
by ltmshumiao @ 2024-09-19 22:52:15
@[ltmshumiao](/user/1383031) 你自己画画就知道了
by rwhy @ 2024-09-19 23:15:00