名校
1 . 设集合
是非空集合
的两个不同子集.
(1)若
,且
是
的子集,求所有有序集合对
的个数;
(2)若
,且
的元素个数比
的元素个数少,求所有有序集合对
的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a518060a86e8bb366d103ccb0b956be3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41be4f4fbf21555f325caf280c392c00.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/541e580c3d6f81c223f79400e738af6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41be4f4fbf21555f325caf280c392c00.png)
您最近一年使用:0次
19-20高二上·江苏南通·期末
名校
解题方法
2 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9e61cea2dd2e030616c36bbcd2c8b49.png)
______ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ebce85ea9bc18815ef8887057030a63.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d94badebb08270d15e54ed98f8ce14e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9e61cea2dd2e030616c36bbcd2c8b49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ebce85ea9bc18815ef8887057030a63.png)
您最近一年使用:0次
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3 .
展开式中,
项的系数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294dd30ed6962a46a4061f4e9ac50ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a89e3c30f6e4d4c5db4378b05d987.png)
A.-150 | B.70 | C.90 | D.110 |
您最近一年使用:0次
2017-06-14更新
|
495次组卷
|
2卷引用:黑龙江省大庆实验中学2016-2017学年高二6月月考数学(理)试题