如图所示,
是一个正方形,
平面
,则图中互相垂直的平面共有__________ 组.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa7bbd7831e9ff4f8cffc8889d34f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f9157fce2a8339d281178c7c0bccbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa7bbd7831e9ff4f8cffc8889d34f05.png)
![](https://img.xkw.com/dksih/QBM/2017/11/11/1814911745826816/1816337625448448/STEM/210388d2-321a-4de4-a57e-81a027275229.png?resizew=139)
更新时间:2017-11-13 14:51:16
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【知识点】 判断面面是否垂直
相似题推荐
填空题-单空题
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较易
(0.85)
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【推荐1】设
,
是两个不同的平面,l是直线且
,则“
”是“
”的______ .条件(参考选项:充分不必要,必要不充分,充分必要,既不充分也不必要).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1754786a3367aca3da18ee3316e5b968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d8dcd07ffe20d7b6241d50eed2f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
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填空题-单空题
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较易
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【推荐2】设
是不同的直线,
是不同的平面,有以下四个命题:
①
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec7ab37bad785c96078d1c163262b742.png)
③
④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ab06041ad31578d789334641f18b3b4.png)
其中,正确的命题是__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ba63ad02b1d5af2982fac3d91eb15c.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7397877020d8353580fb5003a3d8c523.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec7ab37bad785c96078d1c163262b742.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adfb25406049e4e98db99c13721d456.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ab06041ad31578d789334641f18b3b4.png)
其中,正确的命题是
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