(理)已知三条线段PA,PB,PC两两垂直,底面ABC内一点Q到三个面PAB、P 发布时间:2017-05-16 08:58 │ 来源:www.tikuol.com 题型:填空题 问题: (理)已知三条线段PA,PB,PC两两垂直,底面ABC内一点Q到三个面PAB、PBC、PCA的距离分别为2 、 3 、 6,则Q点与顶点P之间的距离为______.
题型:填空题 He fancies himself a great king. I can't fancy a thing like that. [ ]A. as; he doingB. be; him doing C. as; his doingD. /; himself done 查看答案