空间向量解立体几何，如此简单！
2017-03-06 15:09
来源：搜狐教育
作者：
建立适当的空间直角坐标系，利用向量的坐标运算证明线线、线面、面面的平行与垂直，以及空间角（线线角、线面角、面面角）与距离的求解问题，是高考的考查热点，以解答题为主，多属中档题。在高考备考中精心准备，加强系统化、专业化训练完全能够成为学生的得分点！
新东方石家庄学校 （微信号：helloxdf）
及时获取本地权威教育资讯，随时随地的贴身学习顾问，英语学习的好帮手、课程规划的好助手!
{"text1":{"label":"薄弱科目","placeholder":"请输入你的薄弱科目","required":1,"formType":"text","group":"dynamic","name":"text1","type":"text","data":[]},"select2":{"label":"在读年级","placeholder":"","required":1,"formType":"select","group":"dynamic","name":"select2","type":"select","data":["学前","小学","初中","高中","大学","留学","其他"],"defaultValue":"请选择在读年级"},"name":{"label":"姓名","placeholder":"请输入您的姓名","required":1,"formType":"text","group":"basics","name":"name","type":"text","data":[],"reg":""},"mobile":{"label":"手机号","placeholder":"请输入您的手机号","required":1,"formType":"text","group":"basics","name":"mobile","type":"text","data":[],"reg":"/^1[3-9][0-9]{9}$/","verification":0}}
