已知a,b是方程
的两个实数根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b48110a893f95a7063306eaaeb9160b.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc4ebfa62fc0643f1a9c3fd3c035b292.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b48110a893f95a7063306eaaeb9160b.png)
23-24高一上·广东深圳·期中 查看更多[2]
更新时间:2023-11-22 13:27:09
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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
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25d8ad5b64dda4b4334f859b100f2bbc.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1823f96ad283f9238d2f9845cd064a79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25d8ad5b64dda4b4334f859b100f2bbc.png)
您最近一年使用:0次
填空题-双空题
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较易
(0.85)
名校
【推荐2】计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88f9f227081138b734475fc913f7cf5b.png)
______ ;(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/301875ca87733bf00f56d1736a2bcae8.png)
______ .
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88f9f227081138b734475fc913f7cf5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/301875ca87733bf00f56d1736a2bcae8.png)
您最近一年使用:0次