如图,AD=DF=FB,DE∥FG∥BC,则SⅠ:SⅡ:SⅢ=________ .
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/8/58bdc132-5160-481d-b812-a1395ed41b84.png?resizew=132)
更新时间:2017-06-18 22:29:49
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【知识点】 利用相似三角形的性质求解解读
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