发布网友 发布时间:2022-04-23 05:45
共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