高数空间集合

发布网友 发布时间:2022-04-23 05:45

我来回答

3个回答

热心网友 时间:2022-07-12 08:51

自己想想看吗,要靠自己的能力啊!自己想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想想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热心网友 时间:2022-07-12 08:52

如图

热心网友 时间:2022-07-12 08:52

先从ab内积找角度,120度,再求外积的模a*b*sin120为6*根3

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