在直线l上顺次取A,B,C三点,使得
,
.如果点O是线段
的中点,那么线段
的长度是______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6850a299395c314b8f8f2f8ca50c9895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b276eec990e6edaae4bd27440dd3eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
更新时间:2023-02-07 21:59:55
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【推荐1】点A,B,C在同一条直线上,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
_________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fd5772d6dcb3941e3487ac87ff2c2c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
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【推荐2】如图,点
在线段
上,
,点
是
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是
的中点,若
,则线段
的长为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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【推荐1】如图,点B、C在线段AD上,M是AB的中点,N是CD的中点,若MN=a,BC=b,则AD的长是________ .
![](https://img.xkw.com/dksih/QBM/2018/7/5/1982055369711616/1982943233589248/STEM/37fe3017-1c6d-4299-aacd-2ec42d5630b7.png)
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【推荐2】如图,在
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