要求:求出图中x的值
只允许使用初等几何知识(大概是初二以内),不得使用sin,cos一类东西(尽管他们真的挺好用)
我正在做,而且准备号召同学一起做
你呢?
发现WP的editor太差劲了......
情况:
我爸:没做上
老师:没做上
同学:没做上......
About Me
Name: Zhu Jingsi(祝靖斯)
Known as: HeavenFox
Sex: ♂
Birth: Mar 28, 1993
Location: Changchun, Jilin, P.R.C
Known as: HeavenFox
Sex: ♂
Birth: Mar 28, 1993
Location: Changchun, Jilin, P.R.C
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号召的有结果吗?
没有......
暂时没人搞出来
第一次在你这里看到这道题,一直没做出来,也顺着Matrix67的链接,知道了题的来历.
在Livid新站mac.6.cn上又看到这道题,在一个回贴中,找到了思路,刚刚做出来了,一会儿整理下,把图贴出来.答案是20度.
具体看这里：http://mac.6.cn/topic/view/185.html
恩
现在M67已经发布了做法
感觉比楼上的简单
大家可以参阅