若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/983a0336d478e8013d8f67bd91718a0a.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e11a7a2196a0e135ded4d0135f359244.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/983a0336d478e8013d8f67bd91718a0a.png)
更新时间:2023-06-15 22:00:15
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填空题-单空题
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较易
(0.85)
解题方法
【推荐1】已知
,且
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e46d0336ea9893b942b928a9ee57a1c.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ffb6e00f1387145fd3300527c974544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d1c7571006978c5115a9a6bd764698a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e46d0336ea9893b942b928a9ee57a1c.png)
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