1 . 已知各项均为正数的等比数列
满足
,记
,则使得
的最大正整数
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c073fc8fb7ec824281939eb7bf8e12c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b25a7135aebae205a7ff2b0336d6087a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6ae93e401b499b0e39f251279b5663c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2 . 已知函数
满足
,则满足
的最大正整数
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196a11beb5f29f0ebfbca200fb7786ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd3a42660a53f3c55f29f73b7494c810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2024-04-13更新
|
285次组卷
|
2卷引用:陕西省商洛市2024届高三第四次模拟检测数学(文科)试题
3 . 用
表示不超过
的最大整数,已知数列
满足:
,
,
.若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
________ ;若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71c3fdbffff67f73a4f36da898396813.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f9ca737b137a45f33a4cd1d25713c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da849bf4f6c6a1e9d82db5df0392c992.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/558e11d700481dc414d5d073b4b88a3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a14178ab8fb2a3c405dd1c69e3063512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0518fab92475787a7be0581733eea67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71c3fdbffff67f73a4f36da898396813.png)
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2024-03-14更新
|
945次组卷
|
5卷引用:陕西省渭南市2024届高三下学期教学质量检测(Ⅱ)数学(文科)试题
解题方法
4 . 已知正项等比数列
中,
成等差数列,其前
项和为
,若
,则
除以7的余数为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/093bc8d6ed491815d24077d4c72e1740.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/980794e51cc6d0c36de4ce01135099dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/addee6ce5163a2580888ce2da22714af.png)
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名校
5 . 已知等比数列
的公比为2,前
项和为
,且6,
,
成等差数列,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614306cc3f34bdee4d5d885b79667645.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/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65fc200f10b97588a0c9896277c9c64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614306cc3f34bdee4d5d885b79667645.png)
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2023-06-02更新
|
648次组卷
|
5卷引用:陕西省西北工业大学附属中学2023届高三下学期第十三次适应性训练文科数学试题
名校
解题方法
6 . 已知等差数列
的首项为
,公差
,等比数列
满足
,
,则
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b55182088570d2606a642706e0f25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae3012337aa392709349731fb1eef5b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c38be032e00f6c819108ffa777af74a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35afa5622f6cbcfd8f3e3d3dd3cfed4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f10ddf453536f4c63b5a987ac46f6a6.png)
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2023-03-30更新
|
432次组卷
|
3卷引用:陕西省榆林市第十中学2023届高三高考仿真模拟(一)理科数学试题
名校
解题方法
7 . 如图,已知在扇形OAB中,半径
,
,圆
内切于扇形OAB(圆
和OA、OB、弧AB均相切),作圆
与圆
、OA、OB相切,再作圆
与圆
、OA、OB相切,以此类推.设圆
、圆
……的面积依次为
,
……,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14cf0ead58ea5f53ea4cf5df210bb62d.png)
______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50bf7d7fa347c09dedde116bb787a3c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d162c29b1e484cfc87350dd68f00b85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dacb04fa29178c0af4353e4369a7e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14cf0ead58ea5f53ea4cf5df210bb62d.png)
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2023-03-19更新
|
827次组卷
|
6卷引用:陕西省咸阳市2023届高三下学期二模文科数学试题
8 . 公比
的等比数列
满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69fa0a5a44d430342199ca352a1fba61.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda6dc559d07bc22c9a0ed1e3a6d01d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/457e984c701bcf6e52a87e6c1970107c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80524c1b905bfe473fc258295e432d6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69fa0a5a44d430342199ca352a1fba61.png)
您最近一年使用:0次
9 . 我们可以用下面的方法在线段上构造出一个特殊的点集:如图,取一条长度为1的线段,第1次操作,将该线段三等分,去掉中间一段,留下两段;第2次操作,将留下的两段分别三等分,各去掉中间一段,留下四段;按照这种规律一直操作下去.若经过
次这样的操作后,去掉的所有线段的长度总和大于
,则
的最小值为__________ .(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56a59fbd6812a044c767944dd833a704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc146f4d7196cfb8fe3cd04575f5dcee.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/9/f966503d-5c42-4265-9c33-97338eafe64e.png?resizew=286)
您最近一年使用:0次
2023-02-09更新
|
565次组卷
|
4卷引用:陕西省西安市周至县2023届高三下学期一模理科数学试题
名校
解题方法
10 . 设等比数列
满足
,记
为
中在区间
中的项的个数,则数列
的前50项和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b024dcba89b9bc12300583e25c1ed90.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99f21b5772c4251de6922392c853758f.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/5c03166e6456c15029aea381100cb7b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c320a0619c63a5b650a1a94c0a5679.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b024dcba89b9bc12300583e25c1ed90.png)
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2022-12-12更新
|
499次组卷
|
3卷引用:陕西省安康市2023届高三上学期12月一模理科数学试题