名校
解题方法
1 . 对于
,将
表示为:
当
时
,当
时,
或0.记
为上述表示中
为0的个数,(例如
故
),则当
时,
的数有_________ 个
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eb0252535a8504bc51bfe2a1b32a512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6395e8fec4a9fe5d0b4d2adabef3b991.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f98364259a4703bd6d520008d115c7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52eae6a3fe7898612a47f06357c834ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b306635bf97f8ccd7f48c6d382cba81a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52eae6a3fe7898612a47f06357c834ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/963bc5dcd5eb2d3044e888edde25ca2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f83a1dd2212c63164de79c5ba3687ad7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46cd62d3c94a55ec9df7be7e0f54ae9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311955fdbfc857cd8cb5b6ab4a7e0f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c1ed4a6b361b8d31dd032e65dff1440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb495da3cb9fd56040faeb48907839a.png)
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