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1 . 采矿、采石或取土时,常用炸药包进行爆破,部分爆破呈圆锥漏斗形状(如图),已知圆锥的母线长是炸药包的爆破半径R,若要使爆破体积最大,则炸药包埋的深度为___________
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2 . 若
(m、n为正整数)的二项展开式中关于x的一次项系数之和为11,则
项系数的最小值为_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e638305139b5f2fb9f6f432b8a2e4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a89e3c30f6e4d4c5db4378b05d987.png)
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3 . 若复数
满足
,
为虚数单位,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bf311fe11042b3a23a5995a4218348a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
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4 . 设
,则当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b18b5d9c13ac3618d32d3b98ba5e7d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22cf774ce1967919099178f757ec868e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
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5 . 从非洲蔓延到东南亚的蝗虫灾害严重威胁了国际农业生产,影响了人民生活.世界性与区域性温度的异常、旱涝频繁发生给蝗灾发生创造了机会.已知蝗虫的产卵量
与温度
的关系可以用模型
(其中
为自然对数的底数)拟合,设
,其变换后得到一组数据:
由上表可得经验回归方程
,则当
时,蝗虫的产卵量
的估计值为__________ .
![](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/2b96969c5c96977de135616a637ddc52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54d28162b2a8309f0f7f193e733be414.png)
x | 20 | 23 | 25 | 27 | 30 |
z | 2 | 2.4 | 3 | 3 | 4.6 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b1e1b6b9527edf752dadbbdc0d95f88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee1e5b1c4d241fd4f5ea47c90bcceb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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解题方法
6 . 一批种子,如果每1粒种子发芽的概率均为
,那么播下4粒种子,发芽种子数量的方差是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
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7 . 若
,且
,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a9344f4fca7b9779ca7720e5277ea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417fd39b6cffbd747cf8c4ac96e10ada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916bb2cc1b29574ff95b47567c59ee0c.png)
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8 . 已知点
,将
绕坐标原点O逆时针旋转
至
,则点
的横坐标为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1dab74e16403e8131f9f5b2a74f3a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48fce10478485ef01d2318fc3465bb4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
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2024-06-05更新
|
228次组卷
|
2卷引用:上海市松江二中2023-2024学年高三下学期5月月考数学试题
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解题方法
9 . 如图,在矩形
中,
,
,点E在边
上运动(包含端点),则
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ea52361458ce2e49ed0fe99d8e6c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a116fa5c4c6d67aa3454ef87826718.png)
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10 . 若函数
的定义域为
,且
,则实数
的值为_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aef5663ab657a6866f59cc3b57367e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da28e0ae27067a1f0b5ff44f9cdc63f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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