1 . 在直角坐标系
中,记
表示的平面区域为
,在
中任取一点
,
的概率![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fc5a5e974137451f6511688b5bafd04.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad74123cad28b67f8c6912c766b7ec12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f14cc5b1bf746ed13cca432dcba086e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c44ef271c9497b829c549ce8aa3d5990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c44ef271c9497b829c549ce8aa3d5990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a87f0b0e255c8866dd2845da85f3a1e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d005434adec2da4c056534241d91d434.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fc5a5e974137451f6511688b5bafd04.png)
您最近一年使用:0次
2019-03-16更新
|
416次组卷
|
3卷引用:【市级联考】广东省江门市2019届高三高考模拟(第一次模拟)考试数学(理科)试题
2 . 已知
满足不等式组
,则
的最小值等于______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10cbd8c56faed579c6b9ec062e5591a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfeb8b0075f7dcfc571034c2a849e98.png)
您最近一年使用:0次