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[几何] 关于面积的比较

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hbghlyj Posted 2020-2-8 21:55 |Read mode

Last edited by hbghlyj 2020-2-8 23:00凸四边形ABCD,E,F,G,H,I,J,K,L分别在边AB,BC,CD,DA上,AE:EI:IB=BF:FJ:JC=CG:GK:KD=DH:HL:LA,$S_1<S_2,S_4<S_3,$则$S_{14}<S_{23}$
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QQ图片20200123152407.gif

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色k Posted 2020-2-8 22:18

图片换下格式，不要用bmp，大。

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Author| hbghlyj Posted 2020-2-8 23:00

已改。

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