用内切多边形趋近圆周长，没法出错。许多级数收敛于pi, 计算也没法出错。

来源: 科普闲谈于 2023-11-03 20:57:14 [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.

Change Ad Consent

用 内切多边形趋近圆周长，没法出错。许多级数收敛于pi, 计算也没法出错。