22-23高一下·全国·期末
解题方法
1 . 在
中,
,点
满足
,
,数列
中,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ace47cc6398b1101cf428095e8a378.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/242b14a89363fa1e1a3b74ed989a5311.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e86fdb0f93bc3d14100b5540b6ddab2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c82955de293a98c7b00191562c9708c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
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2 . 德国大数学家高斯年少成名,被誉为数学界的王子.在其年幼时,对
的求和运算中,提出了倒序相加法的原理,该原理基于所给数据前后对应项的和呈现一定的规律生成.因此,此方法也称为高斯算法.现有函数
,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c5cd89177a3934552efa0d7180e7cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/facd59fed0f819c8fe3e993a4d669b26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cad19f94fb718346ec1018a109a19ef.png)
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3 . 若
是虚数单位,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ccd658dd337bd8a46ef651c2e54d6f.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ccd658dd337bd8a46ef651c2e54d6f.png)
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解题方法
4 . 已知数列
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a3ee25629cad4564f1adc9066e67474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
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解题方法
5 . 已知无穷等比数列
,
,
,则公比![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0d99fef1aa4dbcc6dc7b30b7d2c9a9.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8221b2a10c77a82b7b8835f802bd4abf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be8c68473a594086a5c72aedeca6a09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0d99fef1aa4dbcc6dc7b30b7d2c9a9.png)
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2023-07-18更新
|
651次组卷
|
5卷引用:上海市延安中学2022-2023学年高一下学期期末数学试题
6 . 设
是由正整数组成且项数为
的数列,满足当
,都有
,已知
,
,则数列
任意相邻两项的差的绝对值不超过1,若对于
中任意序数不同的两项
和
,在剩下的项中总存在序数不同的两项
和
,使得
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b59757734dab5e260e3f2ea9414147b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304dc4f4953f5021f9a98cc0fb531f0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ada3ddbe59c1633f816c353c06125bf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93301f9e8004bf6c59804e1ae601bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8705064bb1ac4934b21bb5a01eff6c7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de009d9df65374c870a4012cf5db28df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aea1c4dbaa86b30ab267bac405ec45be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0a28a84e0823102a339ad3f0956f81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ddc6df45dc9556efcc58e96a080b04.png)
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解题方法
7 . 设无穷数列
的前
项和为
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1051a8bd1e4fafdfb200642e17ab26bc.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/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e7c1a9924023ce408b249a32dfd7fe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1051a8bd1e4fafdfb200642e17ab26bc.png)
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8 . 意大利著名数学家斐波那契在研究兔子繁殖问题时,发现有这样一列数:
.该数列的特点如下:前两个数都是1,从第三个数起,每一个数都等于它前面两个数的和.人们把由这样一列数组成的数列
称为“斐波那契数列”,记
是数列
的前
项和,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a3f3479de5f156febcdc23ff99617ba.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b19458b32bb6e0bb78442f402841e013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.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/1a3f3479de5f156febcdc23ff99617ba.png)
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2023-07-03更新
|
627次组卷
|
3卷引用:上海交通大学附属中学2022-2023学年高一下学期期末数学试题
名校
解题方法
9 . 已知
是同一直线上三个不同的点,
为直线外一点,且在等差数列
中,
,则数列
的前4044项和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b64e075b98c20c3843fde5753ac8f14.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e30c0a5c92f50dce1f7624709950ff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad6b0957ef5c2479ddcce5f1388fc89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b64e075b98c20c3843fde5753ac8f14.png)
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解题方法
10 . 已知数列
的前
项和为
,数列
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0868397b59a6cdc475a6dabc9a025e51.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/efbd54f2e8b3a303145cd960bcb448a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e191086446263b7bbbd93613577c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0868397b59a6cdc475a6dabc9a025e51.png)
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