关于平面划分空间问题２７２１９５山东省微山县第三中学辛玉虎题长方体的六个面所在平面将空间分成部分．分析这道题主要考查学生的空间想象能力．有的把观察点放在长方体内部向外看，有的制造模型加以解释等等，方法较多，思路不一．下面介绍一种新思路．思路（１）平行... On plane division space problem 272195 The third plane of Weishan County, Weishan County, Shandong Province Xin Yu-hu cuboids have six planes where the plane divides the space into parts. This analysis mainly examines students’ spatial imagination. Some of them put observation points on the inside of the cuboid, some of the manufacturing models explain it, and so on. There are many methods and ideas are different. Here’s a new idea. Ideas (1) parallel...