1 . 已知在棱长为2的正方体
中,挖去一个以上下底面各边中点为顶点的四棱柱,再挖去一个以左右两侧面各边中点为顶点的四棱柱,则原正方体剩下部分的体积为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
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解题方法
2 . 已知正项数列
的前
项和为
,且
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0b066416d8d61e8666b3b9d5d24a789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01cc5a3d0a69fdf4297ce92c048a5de0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d7023d3a92d97b12ca99cc05f105115.png)
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3 . 已知
,集合
.则集合
中所有元素之和为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca72a26db57090bba9eb901e694195bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37013abe2917d3a92d070885a0c215f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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解题方法
4 . 已知函数
的图象与圆
有两个交点,则
的取值范围为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b1d897bf1170f96cac0c36823a512a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60e184f82344c10a46979f9beb363618.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
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5 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8ee93f7771f73f0303642db5783b21.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1854fd8bf76e74f6414fc8c9a77a0216.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8ee93f7771f73f0303642db5783b21.png)
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解题方法
6 . 已知
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df48c99dca918d5a03171eff39acbaee.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e4f558115c2751fde6d403387b42a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80eb51230a67c3ef2d2f49a60ac104a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e077c134951be8db27ee90e16b36fea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df48c99dca918d5a03171eff39acbaee.png)
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7 . 已知变量
与
的10对观测数据为
,且
,
,若
关于
的经验回归方程为
,则变量
的平均值![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24acc59e9b9aefe624f00d094e300b52.png)
______ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/051c7adfe65a08d58dddd7443f38a274.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a0d7f2407d2675876ad46a6a3d7cfb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a38fceccda751f72ee84e01586e41a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f632c467ab718f1acaf9429418522f60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db94c8cc7d69e37a95aee6501682c220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24acc59e9b9aefe624f00d094e300b52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/051c7adfe65a08d58dddd7443f38a274.png)
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解题方法
8 . 已知长方体
中,
,点
为矩形
内一动点,记二面角
的平面角为
,直线
与平面
所成的角为
,若
,则三棱锥
体积的最小值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a871dabec7b93bd9fcf74602ece936d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c911b404bbb8f8d5f1470585fa31ad97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffa3205b1df826d63914dcb55bb3ab43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a7a43b5f03e1e911ea2e82da91301a8.png)
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名校
9 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87564738fb1cc44f35fda7cf961cdc70.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c194f17325e5c2ec60ca016b8b4aa80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87564738fb1cc44f35fda7cf961cdc70.png)
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7日内更新
|
286次组卷
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2卷引用:2024届山东省泰安肥城市高考仿真模拟(二)数学试题
解题方法
10 . 已知等差数列
的公差
,首项
,
是
与
的等比中项,记
为数列
的前
项和,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bc625e19e7ca2b9d097f67a3d472e47.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/812be9806122241c476ba1db516c4823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea8d0e50065114b05ef2dc1ea1129cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7da2f386b78cdf6489efaa2f5820d3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bc625e19e7ca2b9d097f67a3d472e47.png)
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