1 . 已知函数
,令
,
,若
,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0b47d4c5d3ddd3ce7f949670d36f974.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6fc51ae6ba348d0e4d3765a4818406e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6984d11b79b3b4222178dec44c0e4288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad3bd164f5ace47e6c9fa4c2a4e7c4ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59993bee84d6bb8666ae9a8cd433d51c.png)
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2 . 如图,在四面体
中,
和
均是边长为6的等边三角形,
,则四面体
外接球的表面积为_________ ;点E是线段AD的中点,点F在四面体
的外接球上运动,且始终保持EF⊥AC,则点F的轨迹的长度为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e20064b8ad6246d4c307f419da145d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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3 . 一个不透明的袋子装有5个完全相同的小球,球上分别标有数字1,2,3,4,4.现甲从中随机摸出一个球记下所标数字后放回,乙再从中随机摸出一个球记下所标数字,若摸出的球上所标数字大即获胜(若所标数字相同则为平局),则在甲获胜的条件下,乙摸到2号球的概率为_________ .
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2024-06-11更新
|
712次组卷
|
2卷引用:江西省宜丰中学2024届高三下学期模拟预测数学试卷
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4 . 已知函数
的零点为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be0c6f8ade9545b03b7569feb46d582.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f817ccd47343fd6d4d1da3b71e39cd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be0c6f8ade9545b03b7569feb46d582.png)
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2024-06-11更新
|
412次组卷
|
3卷引用:江西省宜丰中学2024届高三下学期模拟预测数学试卷
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5 . 祖暅原理也称祖氏原理,是我国数学家祖暅提出的一个求体积的著名命题:“幂势既同,则积不容异”,“幂”是截面积,“势”是几何体的高,意思是两个同高的立体,如在等高处截面积相等,则体积相等.由曲线
,
,
围成的图形绕y轴旋转一周所得旋转体的体积为V,则V=__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c465114dc2665d74246240b1d4d26ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63f162c4846a76cadee56ae2f42e37c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bfb4e91d5c6d50ff816b0240c1a7f02.png)
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2024-06-11更新
|
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5卷引用:江西省宜春市樟树中学2024届高三下学期高考数学仿真模拟试卷
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6 . 已知数列
是等差数列,
,记
,
分别为
,
的前
项和,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f6d2f9704c53877827f4bb0e3bb6844.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f95ba1442d5c2c50293d66c499afe6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41be41a5a4965ebd346e7ee74d21f0f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db9bd5f5348f0281449061b81b9d2d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f6d2f9704c53877827f4bb0e3bb6844.png)
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2024-05-31更新
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2卷引用:江西省宜春市第一中学2024届高三下学期高考模拟(二)数学试题
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7 . 已知
,
,且满足
,则
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b78bab324342f5bd4e05d92b32555fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6f3c30a6691c86db14441bd51d777d.png)
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8 . 已知
,
均为非零向量,若
,则
与
的夹角为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebafb9aabe69a9a59259b8e8e101bded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
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9 . 已知方程
在
上有两个不相等的实数根,则实数m的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fd3f360188fc8bea4ef0d31ebd0151e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
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10 . 已知
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/510ed9db9eb20a880a67481d76692399.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe50432033e610f3e7db497ff8c25c9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/716ba954be887cdbeb2617063786becd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/510ed9db9eb20a880a67481d76692399.png)
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