数学家莱布尼兹在研究中发现了下面的单位分数三角形.其特点是单位分数是分子为1.分母为正整数的分数.由于这个三角形最早是由莱布尼兹作出.所以叫做莱布尼兹单位分数三角形.或简称为莱布尼兹三角形.
莱布尼兹三角形: 1/1
1/2 1/2
1/3 1/6 1/3
1/4 1/12 1/12 1/4
1/5 1/20 1/30 1/20 1/5
1/6 1/30 1/60 1/60 1/30 1/6
... ... ... ...
莱布尼兹三角形规律是:
任意一个小三角形里.底角两数相加=顶角的数.整个三角形的两条侧边是自然数的倒数列
以下是有关三角形找规律题的图片:
http://images.google.cn/imglanding?imgurl=http://i0.sinaimg.cn/edu/official/2008-10-29/U1912P352T1D172571F11DT20081029174627.gif&imgrefurl=http://edu.sina.com.cn/official/2008-10-29/1746172572.shtml&usg=__xYrjWUj7Tg8LVsP_DM-Ujz2yDnE%3D&h=122&w=517&sz=5&hl=zh-CN&tbnid=2OtTeceOhuLL_M:&tbnh=31&tbnw=131&prev=/images%3Fq%3D%25E4%25B8%2589%25E8%25A7%2592%25E5%25BD%25A2%25E7%259A%2584%25E6%2589%25BE%25E8%25A7%2584%25E5%25BE%258B%25E9%25A2%2598%26hl%3Dzh-CN%26newwindow%3D1&q=%E4%B8%89%E8%A7%92%E5%BD%A2%E7%9A%84%E6%89%BE%E8%A7%84%E5%BE%8B%E9%A2%98&newwindow=1&start=4
http://images.google.cn/imglanding?imgurl=http://i0.sinaimg.cn/edu/official/2008-10-29/U1912P352T1D172571F11DT20081029174627.gif&imgrefurl=http://edu.sina.com.cn/official/2008-10-29/1746172572.shtml&usg=__xYrjWUj7Tg8LVsP_DM-Ujz2yDnE%3D&h=122&w=517&sz=5&hl=zh-CN&tbnid=2OtTeceOhuLL_M:&tbnh=31&tbnw=131&prev=/images%3Fq%3D%25E4%25B8%2589%25E8%25A7%2592%25E5%25BD%25A2%25E7%259A%2584%25E6%2589%25BE%25E8%25A7%2584%25E5%25BE%258B%25E9%25A2%2598%26hl%3Dzh-CN%26newwindow%3D1&q=%E4%B8%89%E8%A7%92%E5%BD%A2%E7%9A%84%E6%89%BE%E8%A7%84%E5%BE%8B%E9%A2%98&newwindow=1&start=4
5
2.5
5/3
125%
(100%)
(0.8333……)
(5/7)
答案解析:
5/1
5/2
5/3
5/4
5/4
5/6
5/7
题目是什么?没有题目叫我怎么做啊?、
大哥啊
我晕,什么外叶子