名校
1 . 我们称
元有序实数组
为
维向量,
为该向量的范数.已知
维向量
,其中
,
,记范数为奇数的
的个数为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2cce76f37e2fc64bc9891e374782e6.png)
________ .(用含
的式子表示,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/223ed9652852ca4d996fd1f20808df9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60a79b7ec77425af9152ef0cd3dacfe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45981f9cd45bf7b0655d3c9e461fff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1e894b2a2d6b062551e7d16fce65940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38a1efdf5e172ab6f9d63fdef25671ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ee1569b400d0560d7c42228ad9df6f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2cce76f37e2fc64bc9891e374782e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
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名校
解题方法
2 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1196db72f1d2df1ded968a6762c37bab.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ac39b25d00b9a520c40f7087e42737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1196db72f1d2df1ded968a6762c37bab.png)
您最近一年使用:0次