规定
,
,求证:
,
,
,
对一切
都成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab5797a6a0e12e8d5dc1f4ff46c665ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/148d860742a13cd9bc215478a5f053c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afec1d2cab260ad2c5fca8176436ea44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f818cd81529171d14598ee8a450d691.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e505ad70902e2b867e48de51a01e28a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61dc0bff1319bdf965b2e11e46c7f12b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b00438433719b82971f9fe309e04b5e.png)
20-21高一·全国·课后作业 查看更多[3]
更新时间:2021-11-12 18:30:24
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