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设L为连接(0,2)和(1,0)的直线段,
![](https://assets.51tk.com/images/04f1aa66314972a9_img/c1a333dad2116347.jpg)
![](https://assets.51tk.com/images/04f1aa66314972a9_img/86f9def76fce9f48.jpg)
![](https://assets.51tk.com/images/04f1aa66314972a9_img/c1a333dad2116347.jpg)
参考答案
参考解析
解析:提示:利用已知两点求出直线方程L:y=-2x+2,
![](https://assets.51tk.com/images/04f1aa66314972a9_img/fd790b36f7a2ab4b.jpg)
![](https://assets.51tk.com/images/04f1aa66314972a9_img/2e53fc671abb954d.jpg)
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