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日暮里

金虫 (小有名气)

[求助] 有关三组分体系的问题!

求好心人帮忙解答,两个三组分体系并组成新的体系,则新物系点必在两组分物系点的连线上,我想知道怎样能证明出来,想了很久也想不通!谢谢!
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xiaoshuchong

金虫 (正式写手)

【答案】应助回帖

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感谢参与,应助指数 +1
houchenxmc: 金币+1, 谢谢参与 2013-01-13 13:02:15
在等边三角形组成坐标中任选两点,过这两个点做一条线,这条线把原来的三角形分成一个新的三角形和一个四边形,利用组成和新的三角形的关系,进行证明。很容易。
2楼2013-01-12 17:48:13
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