1/n *sinx = six;(两个n约去) 因:six = 6; 固:1/n *sinx = 6;(牛X........!) ----------------------------- 根号2/2 = 根号; 相关文章: 2021-05-11 2021-11-12 2022-03-03 2021-11-11 2022-12-23 2021-11-18 2022-12-23 2021-12-24