有一列数
,将这列数中的每个数求其相反数得到
,再分别求与1的和的倒数,得到
,设为
,称这为一次操作,第二次操作是将
再进行上述操作,得到
;第三次将
重复上述操作,得到
……以此类推,得出下列说法中,正确的有( )个
①
,
,
,
;②
;
③
;④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1870afb17e3f1776a2ca564035a71e77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36cd2052417ccb1650cc533f62273aab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcec5307afb7fed8a2ccf0057c161b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99a58d2f2ef54bddedcb3ca40b1b43bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99a58d2f2ef54bddedcb3ca40b1b43bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b748925e3d725b96ec083d47cf9936bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b748925e3d725b96ec083d47cf9936bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f34d4dfcb2580c373125c90722d79b3.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f86a8746a583f411fb73c6334eb27b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d477996ec61de5f353e016332f77e2c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbe7f59e432711054bda602ec2208ac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa369de7cb9f81b4cffc41a4b99d41c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0866344a9a3195440a21969c0c47080.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06dd1811ea59449aaf86e9c718f258ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544dce492be8719a1782e98593e5189c.png)
A.0 | B.1 | C.2 | D.3 |
2024·重庆渝中·模拟预测 查看更多[3]
更新时间:2024-04-10 21:52:57
|
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【推荐1】现定义运算“*”,对于任意有理数a,b满足a*b=
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【推荐2】对于正数x,规定
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您最近一年使用:0次