1 . 已知
的内角A,B,C的对边分别为a,b,c,且满足
.则
的内切圆面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f7ef5d1da6379088458d32e2c0ce52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2 . 设等差数列{
}的前n项为
,若
,
,则公差![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c98c59cd4749afdd21e73529fc84323.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a316124e688e76d6f330ffbea49d427d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb2c8dedfa4e56af166f7a3f6bd91ad2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c98c59cd4749afdd21e73529fc84323.png)
您最近一年使用:0次
2022-12-06更新
|
567次组卷
|
6卷引用:广西邕衡金卷2023届高三上学期第二次适应性考试数学(文)试题
名校
解题方法
3 . 数列
满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56c6ce06c1cd6542d0bb2bedaf66b8cf.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c89525ec5967b3c1f0f256891cb42fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56c6ce06c1cd6542d0bb2bedaf66b8cf.png)
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2022-12-01更新
|
467次组卷
|
3卷引用:广西南宁市第十九中学2023届高三上学期数学(文)信息卷(三)试题
名校
4 . 已知正项等比数列
的公比大于1,且
,则使得数列
的前
项积
的
的最小值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2d67d5ee2fad7057ce8aa08e4f2b4ba.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/c6ae93e401b499b0e39f251279b5663c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2022-11-04更新
|
312次组卷
|
2卷引用:广西北海市2023届高三上学期第一次模拟考试数学(文)试题
名校
5 . 在等比数列
中,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d211c5a622d0be3b39931d814f9a683.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08661a0e46dc8298600b43a9f36ae525.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d211c5a622d0be3b39931d814f9a683.png)
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2022-09-14更新
|
971次组卷
|
2卷引用:广西2023届高三上学期西部联考数学(理)试题
6 . 已知等比数列
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b66cdfdd39953ee8d84ad228235733.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cca31a440056a527608c887906f35d7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b66cdfdd39953ee8d84ad228235733.png)
您最近一年使用:0次
7 . 已知
、
、
、
,且满足
,则
的取值范围_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/849f4ca4c235a8d0daed422c4b95b49f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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8 . 数列
,
的一个通项公式是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19de79d2a57e2ac571a5bf7dbcd8616f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8bb0a9a72e36a10f1916f8a7d5cefaf.png)
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9 . 函数
的最小值是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b463335142dc1e024f6d1b648264e102.png)
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解题方法
10 . 若一元二次不等式
对一切实数
都成立,则实数
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e558abbf6b14df9b2a02c6fc0f6bee0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次