题型:填空题
难度:0.85
引用次数:197
题号:19221662
图(1)是长方形纸带,将纸带沿EF折叠成图(2),再沿BF折叠成图(3),在图(1)中
,图(3)中
用含有
的式子表示 ___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e84d78261b991d43598f1497125376b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7724af2445c723d1392aed54d210ed3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/31/d58aa940-05d3-4f85-abe0-bfa2b92a2f9a.png?resizew=488)
更新时间:2023-06-09 18:16:50
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