1 . 已知
,
,
,若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4292234d8a1c922266e2e53f8048c95b.png)
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e181cf680167b7aa6808d7b9e803f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d499cf8b05914b0a434396d4846929a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03d84f9bfb2c9de5beef25d4edf529f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4292234d8a1c922266e2e53f8048c95b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89ba85f74cda4ddd621278e558bc036f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
您最近一年使用:0次
解题方法
2 . 已知实数
满足约束条件
,则
的最大值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da0155cc99b163b4a47d807279490aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4489516aca67a6afe53fac2f1477f76.png)
您最近一年使用:0次
解题方法
3 . 若正数
,
满足
,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c6c5511177fe93e77b61f1e0394b1a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d35b7e44d591f936cdaab9a0ac2882ec.png)
您最近一年使用:0次
4 . 已知
满足线性约束条件
,若
的最大值为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0924f6bc9c5445b3c048f81f99bf21c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35859c60d83e81747b44806950be1aab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
您最近一年使用:0次
5 . 如图,在四棱锥
的平面展开图中,底面
为等腰梯形,
,
,
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f2dcbd21a3520114a8349c838136579.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a5faf3cbb633fc4294c8ce703c64c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def26b3c1c08356f8fa49c85fe19476b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7ea9d92e5c258a50af1e461c7388894.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc532cfe64300cb3da9e04a307c957a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db27b7f29d7d01b2692f217bc3079fc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5de1f13f61b328b64413025273f1580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f2dcbd21a3520114a8349c838136579.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/25/1a3716fd-ef84-4ed7-aa99-48a14a504cfc.png?resizew=136)
您最近一年使用:0次
6 . 设平行四边形
的面积为
,
为平行四边形
的两对角线的交点,在
、
、
、
、
中任取不共线的
点,则这
点构成的三角形的面积为
的概率为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
您最近一年使用:0次
2024-02-26更新
|
60次组卷
|
2卷引用:中原名校2022年高三上学期第四次精英联赛理科数学试题
7 . 已知函数
的部分图象如图所示,若图象上的三点A,B,C的坐标分别是
,
,
,则
的最小值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f369eb7165b1506dd03e46248cf4d5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32adbca9bf72535e470c9a6d13c53cbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a04ff9c2fcc02d45521517674c6cd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c76b16b7cb0f8af971df501bd46f478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bc7b79076145ea2b02a4a2dda4d2e4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/25/0e7e5ab3-4a9a-4811-a2cb-7729d4f119ab.png?resizew=167)
您最近一年使用:0次
2024-02-26更新
|
174次组卷
|
2卷引用:中原名校2022年高三上学期第四次精英联赛理科数学试题
解题方法
8 . 已知直线
:
与双曲线
:
(
,
)相交于
,
两点,双曲线
的左、右顶点分别为
,
,若直线
与
相交于点
,则下列说法中错误 的是________ .(填写所有错误 命题的序号)
①实数
的取值范围为
或
;
②直线
与直线
的斜率之积为定值;
③点
在曲线
上;
④
的面积最大值为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
①实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5d8b82a62adae1f46b780881e70a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26637c1957934d6073bdcf795e51a362.png)
②直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
③点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/703b40a6293ed9e33001e2919379b168.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
您最近一年使用:0次
9 . 已知首项为1的数列
满足
,则数列
的前n项和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b74e2596770f23e86cda481f588bfca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46ab6a25c85d03d6d562007692ec29e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
您最近一年使用:0次
10 . 若双曲线
的实轴长为6,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a113a333b6fe50af1dd38a360769f8d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次