名校
解题方法
1 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53cb6fcc94d9edf23b9d5fead8b7ad2b.png)
___________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9bbe98100c8067ff36ac536d043a85.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d66f373d09bf1afda6528111537c77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53cb6fcc94d9edf23b9d5fead8b7ad2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9bbe98100c8067ff36ac536d043a85.png)
您最近一年使用:0次
2023-02-19更新
|
642次组卷
|
2卷引用:辽宁省辽阳市协作校2022-2023学年高二上学期期末考试数学试题
解题方法
2 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2148300ae1eb0db279c76544c293740d.png)
__________ ;
的系数为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d697319f3c89c4376c6eb20563c7968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2148300ae1eb0db279c76544c293740d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59e2f16fea545d7ec8515dd9a82655f7.png)
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2022-12-18更新
|
320次组卷
|
2卷引用:河北省唐山市部分学校2023届高三上学期12月月考数学试题
名校
解题方法
3 . 在
的展开式中,所有项系数之和为________ ;展开式中系数最大项的系数为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86864c33ba5a11a54713a50767e32a53.png)
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2022-05-27更新
|
528次组卷
|
2卷引用:江苏省南通、苏北部分学校2022届高三下学期第四次调研考试数学试题
名校
解题方法
4 . 设
展开式中各项系数和为
的系数为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/816ec4c3ca906ea77a9e8979268186de.png)
___________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fe1de6d88729547b25a9a95f74a911b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47e1b5d56486899b0ba3c1cdfce4edd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/816ec4c3ca906ea77a9e8979268186de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
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2022-04-18更新
|
836次组卷
|
2卷引用:浙江省台州市2022届高三下学期4月教学质量评估数学试题
名校
解题方法
5 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8017515e1f03c7b2043e6f1328b813a3.png)
___________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7999465d0e871febde66296a0cbf058c.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374cfc3b22d00243d52193ab5342c2f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8017515e1f03c7b2043e6f1328b813a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7999465d0e871febde66296a0cbf058c.png)
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2021-11-22更新
|
406次组卷
|
2卷引用:浙江省绍兴市第一中学2021-2022学年高三上学期期中数学试题
6 . 已知多项式
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7999465d0e871febde66296a0cbf058c.png)
__________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e47e1edf76a1aae894de2bc3368eeed.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5fb9bb21c062f44c150969cf1ea5d3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7999465d0e871febde66296a0cbf058c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e47e1edf76a1aae894de2bc3368eeed.png)
您最近一年使用:0次
名校
解题方法
7 .
的展开式中各项系数之和为72,则a=___________ ;设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860945cbb4958e1d9aede193a907624c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99acf1962f0deb13b1cb9e0b0bcb5814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
您最近一年使用:0次
解题方法
8 . 已知
的展开式中所有项的系数之和为16,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ ,
项的系数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c0ff0fd9a66088ef03e89a068f1828d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3336c8ed5361c10c37300e41e03f9f2f.png)
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2021-05-05更新
|
615次组卷
|
5卷引用:浙江省杭州市2021届高三下学期4月二模数学试题
浙江省杭州市2021届高三下学期4月二模数学试题(已下线)【新东方】高中数学20210429—009【2021】【高三下】(已下线)【新东方】高中数学20210527-008【2021】【高二下】(已下线)专题10.计数原理与古典概率 -《2022届复习必备-2021届浙江省高考冲刺数学试卷分项解析》浙江省绍兴市诸暨市第二高级中学2021-2022学年高三上学期1月模拟数学试题
名校
解题方法
9 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfc875ca919921e8f63a6fca648561b.png)
_____ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59537322e71c7db18212e1e8c6a0d1e8.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b41d0ba223cbd90fbb00f75afcf140b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfc875ca919921e8f63a6fca648561b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59537322e71c7db18212e1e8c6a0d1e8.png)
您最近一年使用:0次
10 . 在
的展开式中,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0382b4a2ab0657d2d6830bb6be2b17b6.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b0c9097443ae1e4103a351de1b821f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b319059eb8f5e1e62979ae18724948f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0382b4a2ab0657d2d6830bb6be2b17b6.png)
您最近一年使用:0次