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如图在棱长为1正方体ABCD﹣A1B1C1D1中,以正方体的三条棱所在直线为轴建立空间直角坐标系Oxyz, (I)若点P在线段BD1上,且满足3|BP|=|BD1|,试写出点P的坐标并写出P关于平...
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高一上学期数学《》真题及答案
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如图已知正方体ABCD—A1B1C1D1过BD1的平面分别交棱AA1和棱CC1于EF两点.
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