走马灯数:142857 142857 × 1 = 142857142857 × 2 = 285714142857 × 3 = 428571142857 × 4 = 571428142857 × 5 = 714285142857 × 6 = 857142 喜马拉雅FM:https://www).ximalaya.com/keji/6310606/) 微信关注:dalaoli_shuxue B站: https://space.bilibili.com/423722633) 知乎:https://zhuanlan).zhihu.com/dalaoli-shuxue/) 电邮 :[email protected])