在△ABC中,D是BC上的点,AD平分
,△ABD面积是△ADC面积的2倍.则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef54d9813c8852713ce9f3e7c31d6872.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef54d9813c8852713ce9f3e7c31d6872.png)
更新时间:2022-08-13 22:57:43
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