名校
解题方法
1 . 在平面四边形中,
,则
的值是( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2 . 在
中,已知
是
边上一点,若
,则
( )
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5aabf85659ac8509bb76a9f0d5c87d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
A.2 | B.1 |
C.-2 | D.-1 |
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3 . 已知
,其中实数
满足
,
,则点
所形成的平面区域的面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b59ad65eac3e85b0cc48308a0212f841.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ec6fb9e0625b85be3103d317fbb0cca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d59a7a14d12e605fa2d7d446c18fc87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b4a933066ab9571fe0fe443bb333221.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
4 . 在矩形ABCD中,
,
,P为矩形内一点,且
若
,则
的最大值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a9fa8832f98b5418a7d75892f7951b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be3bb21974fc290fa7f2fc1e251683c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/358c647eb91303a2a32f198ba25e636a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a17b74deb2345f18d0a2e6dda5932b1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd1e06e6e21ffbce075fc0852c0ae2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次