1 . 整数列
,
,
,对
有
,
为固定正整数,求使
成立的
的个数______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82f241a73bf197764cebade47dcd9a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/401b7a6ae9616f1f3a27ff11c8abf2f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ed352cca4f2ffd027a1f203bc4e51bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75cc773ef279d9960a90052c5b710e8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90f6a09c6d8b804e7214da49256f0317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b25b0878c79813d60afc929c6319434.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2 . A,B,C为
内角,x,y,z为实数,求以下三式中恒成立的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ad95998658d2ab5aad3714e2276bb6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5870e3149fc4cec4c7066ea95db8e5c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ad95998658d2ab5aad3714e2276bb6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5870e3149fc4cec4c7066ea95db8e5c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df217a60bbc39645dd98a10ebc809e5.png)
您最近一年使用:0次
3 . 对实数
,不超过
的最小值的最大整数为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14db6b568531ef989bb26227d54d3055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b02667b48e703f5a4cdae6201ee3458.png)
您最近一年使用:0次
4 . 设递推数列
满足:
,如果对任意的首项
且
,数列中一定存在某项
,则不超过
的最大整数是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a50836192856e048e1fe207d0b61bc1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5224c5faa2f07d81db12c937e3a38d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4be043e433182a1255ef5bf2ff2c96fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe1593b8834ccf3f3ddd52a8deec97db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04a38189db22659e85d0baf16dbf5444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/085d58fb6a91ae4e7712dfa55baff725.png)
您最近一年使用:0次