两球心之间的距离是2sqrt(2) > 两球半径的和2，所以不相交

来源: 万斤油于 2023-07-27 06:46:21 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.