1 . 能够说明“若
,
,
均为正数,则
”是真命题的一组数
,
可以为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
________ .(写出一组即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d186e8f9ca999ce3e0cadcae4ce82492.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
您最近一年使用:0次
2023-07-14更新
|
239次组卷
|
3卷引用:山东省聊城市2022-2023学年高二下学期期末数学试题
2 . 若曲线
上恰有四个不同的点
到直线
及点
的距离都相等,则实数a的一个值可以是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c234d4721b2278f9af782f666d37c7b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02cebb466d8642424bd583e8843ffe39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb7ca2d544f528ff1afcbb5c365f337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9775d61eedd3f30c8817892ca27fdd34.png)
您最近一年使用:0次
2023-04-08更新
|
748次组卷
|
3卷引用:山东省聊城市2023届高三第三次学业质量联合检测数学试题
名校
3 . 一个盒子中有
个大小相同的小球,其中
个红球,
个白球,从中随机有放回的抽出
个球作为样本,用
表示样本中红球的个数,则样本中红球的比例
与总体中红球的比例之差的绝对值不超过
的概率为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da45c443af7994a26ffa9d8894e7262.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3304e23f3b0f9569c4140ca89b6498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea05b3855141e1069c02985e03941a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6486784415f3537c9a13556c05d893.png)
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