名校
1 . 设
,
分别是平面
,
的法向量,
,
.若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5222895729ddfe8bf81f9ec729996448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6658782dbcef51dd172ccf25a24ac113.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f224ed266579557fba3ed00e4cc7304a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3132e597704b235fcdc529a5a71f086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ae1d5e8e2a7eedf63642be6ac5344d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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2020-01-23更新
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3卷引用:2020年1月浙江省杭州市余杭区部分学校学考高三数学试题