解题方法
1 . 截面惯性矩
是衡量截面抗弯能力的一个几何参数,若截面图形为矩形,则
,其中
为矩形的宽,
为矩形的高.某木器厂要加工如图所示的长方体实木梁,已知该实木梁的截面图形为矩形
,且矩形
外接圆的直径为
,要使该截面的惯性矩最大,则矩形
对应的高应为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/910c6cc1a6e5f6f601f9336d5f08c7a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
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2 . 在数字
和
中,更大的数字是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/172370f9adae2e388a4a777ad92ca18f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/013407782cf6bdec227a4e6ad8c9dba7.png)
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解题方法
3 . 如果函数
在区间[a,b]上为增函数,则记为
,函数
在区间[a,b]上为减函数,则记为
.如果
,则实数m的最小值为________ ;如果函数
,且
,
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b36f7283eba1e1599ef7ebe8028f5ea9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74d6aa3319cc5772e60a7a584eb35253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78dc718a20513bf3b3ba408c80db1f3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28de5a7346d96247de5e809f0d00b38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a99da41115af57a2d17ee3a154e02d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bd1b6a2269496d136784fb927d7689a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2024-06-09更新
|
761次组卷
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3卷引用:江苏省苏锡常镇四市2024届高三教学情况调研(二)数学试题
江苏省苏锡常镇四市2024届高三教学情况调研(二)数学试题(已下线)期末押题卷02(考试范围:高考全部范围)-【帮课堂】2023-2024学年高二数学同步学与练(苏教版2019选择性必修第二册)浙江省杭州师范大学附属中学2024届高三下学期高考适应性考试数学试卷
4 . 曲线
在点
,
处的切线分别与y轴交于点
,
.若c,
,d成等差数列,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b9afe6e2307c6a8b0097a6c45b227c.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ef0106bb3ce17e344936f77a6b7eb88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bc3a0cacfbe43771f3b89e4bec4d7ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/541130d07517bebaee5f5577fe167023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44853242539b71cc7c54ef06c3a713fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d90ab6e95bc1e1b06fd5aa3b7d2b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b9afe6e2307c6a8b0097a6c45b227c.png)
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5 . 若两个函数
和
存在过点
的公切线,设切点坐标分别为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da03fbf994015e5a3a03de28734e0a1a.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc91186336b2d99e88fe87e381c775c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028e90690c7cf3cd03405f2c7bc07122.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7362fa526a84b0ce2f5a2021dbc44399.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f455378328d1f31e18c413f327cb81a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da03fbf994015e5a3a03de28734e0a1a.png)
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解题方法
6 . 过点
可以向曲线
作
条切线,写出满足条件的一组有序实数对![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b5e761af39bc1725915c3c9ee7febee.png)
__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6c044bcf4b87cd1575198ab30c3a037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545ac68beedab0a5490f97c88437a317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b5e761af39bc1725915c3c9ee7febee.png)
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7 . 平面内
条直线可以将平面分成若干块区域,记分成的区域数的最大值为
,则数列
的前
项和为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/099a64d86bd0b4602578d910322adc1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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8 . 公式
,其等号右侧展开式共有
类非同类项,
的展开式共有
类非同类项;那么
的展开式共有______ 类非同类项,
的展开式共有______ 类非同类项.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75713ee82f031d9fe19a9e2313cb0791.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2323018b5cc23209e4423c32efbde3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c07d08a453c4e36629e860d67057a3cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12992a0ad8592e2c58197d1382a3f0dd.png)
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9 . 以
表示数集
中最小的数,
表示数集
中最大的数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15a393de3560b0c81a2085700e987a1.png)
__________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b73719a683e92eb670f820bc85e56bf9.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c237a1037344842737c5f318eda60262.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9e93122e2e5b93c1141001872a250ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15a393de3560b0c81a2085700e987a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b73719a683e92eb670f820bc85e56bf9.png)
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解题方法
10 . 现有佛山某中学研究性学习课题小组,他们在研究某一圆柱形饮料罐的容积、表面积(用料)时遇到了一些困难,请你一起思考并帮助他们解决如下问题:当圆柱形饮料罐的容积V一定时,要使得饮料罐的表面积S最小,圆柱形饮料罐的高h和底面半径r需满足的关系式为__________ .
您最近一年使用:0次
2024-05-11更新
|
94次组卷
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3卷引用:广东省顺德区北滘中学2023-2024学年高二下学期期中考试数学试卷