若
,那么
的取值可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eae9ba258299eb489b490594397e23c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4270c82dfc63172610dc0b62990abc95.png)
A.![]() | B.1 | C.![]() | D.1或![]() |
更新时间:2023-11-03 15:53:38
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【推荐1】下列说法①观察下列等式:
则
的末位数字是9②三个有理数a,b,c满足
,
的值为
或
③n是一个有理数,则
的最小值是9④如果
,
,那么
,正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e14a85aa0efea3b13b4e717102a8f54b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64ff536561e7c4390a78935528ca3f71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16de2d7f06346a0fc6b5d6822e746237.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce563ace106dd7eb696cf3a293d83d9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b37db0bb019f65a51f5a27bdb8b9ee9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a95409931974080525eb53bfd9d9d0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78997995264d3c5817b0351dcbe67ebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ba84caf91202df9aca6302e6860f82e.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
单选题
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【推荐2】如图,在数轴上,点
表示
,将点
沿数轴做如下移动,第一次点
向右平移2个单位长度到达点
,第二次将点
向左移动4个单位长度到达
,第三次将点
向右移动6个单位长度,按照这种移动规律移动下去,第
次移动到点
,给出以下结论:①
表示5;②
;③若点
到原点的距离为15,则
; ④当
为奇数时,
;以上结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e24e843f778f53af4f3c9e25faa809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d510cee3ccde27f600bcf7c261a4e449.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24d8ff50244476a0023d3bf3bdc0cf75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e44d44ba51444f6bce8b09a571a1868.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/27/caa39b9f-2cd2-4350-975d-1590bcdba56c.png?resizew=323)
A.①②③ | B.①②④ | C.②③ | D.①④ |
您最近一年使用:0次
单选题
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较难
(0.4)
名校
【推荐1】下列说法①观察下列等式:
则
的末位数字是9②三个有理数a,b,c满足
,
的值为
或
③n是一个有理数,则
的最小值是9④如果
,
,那么
,正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e14a85aa0efea3b13b4e717102a8f54b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64ff536561e7c4390a78935528ca3f71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16de2d7f06346a0fc6b5d6822e746237.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce563ace106dd7eb696cf3a293d83d9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b37db0bb019f65a51f5a27bdb8b9ee9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a95409931974080525eb53bfd9d9d0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78997995264d3c5817b0351dcbe67ebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ba84caf91202df9aca6302e6860f82e.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
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【推荐2】若a、b都是有理数且都不为零,则式子
值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c63c5ed24362185aec0df0f561621ed.png)
A.0或﹣2 | B.2或﹣2 | C.0或2 | D.0或±2 |
您最近一年使用:0次