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[几何] p是不是在点d处最大啊

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baxiannv posted 2022-4-27 16:33 |Read mode
@ -425d3c7088b91713.jpg 2c782f11afb0441.jpg [attach
]p是不是在点d处最大啊

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kuing posted 2022-4-27 16:55
回复 1# baxiannv

这得看 P 在 AB 上的投影啊

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original poster baxiannv posted 2022-4-27 17:00
关键就是不会看回复 2# kuing

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kuing posted 2022-4-27 17:06
回复 3# baxiannv

作垂线会不会作???

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力工 posted 2022-4-27 17:19
画出外接圆 ,你可能更容易看出。

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