1 .
,
为一个有序实数组,
表示把A中每个-1都变为
,0,每个0都变为
,1,每个1都变为0,1所得到的新的有序实数组,例如:
,则
.定义
,
,若
,
中有
项为1,则
的前
项和为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30338db4ff3950d5a24365e8774c538.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d7d59920450bb8e514e1322a6448e70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38e3d87be9f706832ef25537d78a201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ec0669f6c62fdc8f97b480f5ed47c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b6487d32d7165de1f8e8d3ab0c08a16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f939918bc9c36dbb32e8e1d7853b18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8e99a137748fac22a827de8dae1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8c418d48e5e63443ef9a1e5d62e8a28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d51f9147b8265c0276c1f2c2659197.png)
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2023-10-20更新
|
652次组卷
|
7卷引用:黑龙江省哈尔滨市第九中学校2023-2024学年高三上学期期中数学试题
黑龙江省哈尔滨市第九中学校2023-2024学年高三上学期期中数学试题广东省东莞市东莞外国语学校2024届高三上学期第四次月考数学试题(已下线)专题02 求数列的通项的八种方法(八大题型)-2023-2024学年高二数学《重难点题型·高分突破》(人教A版2019选择性必修第二册)广东省2024届高三上学期10月大联考数学试题(已下线)第四章 数列(压轴题专练,精选28题)-2023-2024学年高二数学单元速记·巧练(人教A版2019选择性必修第二册)(已下线)专题09 数列的通项公式、数列求和及综合应用(练习)-2(已下线)【练】专题4 数列新定义问题
2 . 函数
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeab32b16b90a8092fed1e7acedfdc56.png)
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3 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/242523e2321f76b9c380b9515702b595.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d971e248bd035650f7fc77adaea2ba1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/242523e2321f76b9c380b9515702b595.png)
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解题方法
4 . 若直线
与直线
平行,则
与
之间的距离为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c8fe880439919f8948f53788e2dadc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac087002a7ce5f9ae122bc752001899a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
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名校
解题方法
5 . 写出一个同时满足下列条件的双曲线的标准方程________ .
①焦点在x轴上;②离心率为
.
①焦点在x轴上;②离心率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
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2023-12-27更新
|
183次组卷
|
2卷引用:黑龙江省龙东五地市2023-2024学年高二上学期期中联考数学试题
解题方法
6 . 若
是
上的奇函数,且在
上单调递减,则函数
的解析式可以为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
________ .(写出符合条件的一个解析式即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
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2023-12-27更新
|
108次组卷
|
2卷引用:黑龙江省龙东五地市2023-2024学年高三上学期期中联考数学试题
解题方法
7 . 已知
为函数
的导函数,且定义域均为
,若函数
与
都是偶函数,写出函数
的一个对称中心为__________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4cb8fe114f723549da948ab66ae6440.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7465d53fc2351f8e67abf41bd2bb8281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95c822c874e9ccc9ed9e0d126b01ce9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0735c9f943fb7abe354bb236e40da88c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4cb8fe114f723549da948ab66ae6440.png)
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8 . 已知数列
的通项公式是
.记
为
在区间
内项的个数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96c4c4fd237c66614fd15ffa172de084.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/677e46ecd051c92489c0d1d458932f37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f64696f60c533ad95dc7890eb902741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af3dfd9ae2fce2ee6c81192d99c8bf8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96c4c4fd237c66614fd15ffa172de084.png)
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解题方法
9 . 已知函数
是定义在
上的奇函数,当
时,
,则当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/240a75a70340f31808c275283a2584a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b767c33d36acbb9b5110ad0652237652.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
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10 . 在平行四边形
中,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b225e4f9a9cb08398278a2518ce17373.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f18365bbdbfe48e65d1deed95c2632c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/479d5115674f8f228e5b7cbc542c695e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b225e4f9a9cb08398278a2518ce17373.png)
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