1 . 在△ABC中,已知
,设0为△ABC的内心,且
.则λ+μ=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751365882078f83f46e0a3a772393506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91d46574732ca9040b5b76c76e7e06fe.png)
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2018-12-30更新
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331次组卷
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2卷引用:四川省广安市友实学校2023-2024学年高一下学期3月月考数学试题
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2 . 已知点
在
内,且满足
,设
、
、
的面积依次为
、
、
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4905b0115a1a4efa8470316a40a7d02.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46effadb933730e2f8f66a6d78beeda5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c025ee3317be1099b7bf03a11e37ed4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ac779b70bd71ae3a77721efb04c62b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4905b0115a1a4efa8470316a40a7d02.png)
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2019-01-28更新
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3卷引用:四川省内江市威远中学2019-2020学年高一下学期第一次月考数学(理)试题