名校
解题方法
1 . 已知函数
的图象与直线
恰有三个公共点,这三个点的横坐标从小到大分别为
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d2d034e0fb30c5cd0baeaaab6b7ef85.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b923078510697d5f7f9ea392eb76dd9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79316d1a0fb2caa9ce1266315b07c339.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d2d034e0fb30c5cd0baeaaab6b7ef85.png)
您最近一年使用:0次
2018-07-31更新
|
1055次组卷
|
6卷引用:【市级联考】安徽省宣城市2019届高三上学期期末考试理科数学试题
2 . 已知
中,
为
的中点,
,
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3274aac77f61dc25ab33cf0351b3810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc327192b90460f8845ef81229422784.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cf3d14eb32760482c383221784ee3f3.png)
您最近一年使用:0次
解题方法
3 . 已知周长为定值的扇形
,当其面积最大时,向其内任意投点,则点落在
内的概率是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
您最近一年使用:0次
4 . 在
中,
,
,若最大边长为63,则最小边长为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce00628b61b436a299ad1583aa4d3f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55493e331f88d3d1c396e92b46c97ecd.png)
您最近一年使用:0次