设
,求证:
,
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82d1adaab9cbfd871de7aa31f5cee8df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe55f8390476e07d8f551f841287df70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd01cc4e70e4ddbe0f3a6517e6845098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3213a92c378cb37fdec4e5546380035c.png)
20-21高一·全国·课后作业 查看更多[2]
更新时间:2021-11-11 23:11:41
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解答题-问答题
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较易
(0.85)
【推荐1】如图,在
中,
,
分别为边
,
上的点,满足
,
,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/6f7e873b-0a3b-4878-a806-ca93536a4204.png?resizew=119)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
解题方法
【推荐2】已知
,且
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf0a2a7450e718b1c7abb7b17f8530f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb6e94acb09a3d0e51aab9df90ad1b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af559865610bbe73986f5353089f2d7d.png)
您最近一年使用:0次
解答题-计算题
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较易
(0.85)
【推荐1】已知
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及
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9626e5b9db3f22a442f10fef71b76f83.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a6aad40c02d5217af4535853938065b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/626cca880ae8dfcda582fa50f9838a70.png)
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解答题-计算题
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较易
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解题方法
【推荐1】求下列各式的值.
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(2)
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您最近一年使用:0次
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较易
(0.85)
【推荐2】已知函数
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(1)求函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54de799be018dc8c40cad043ff1db569.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dccb03e8bcf048dfa4bbd8ca0246d03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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