正在加载视频...
视频加载失败
A mathematician demonstrating the "Kaprekar's Routine" and explaining why this number acts as a black hole for all others. In 1949 Indian mathematician D.R. Kaprekar introduced the world to a mysterious constant that now bears his name. Speaking at a conference in Madras, he revealed a strange property inherent... show more
0 条评论
暂无评论
原始帖子的评论将显示在这里

