已知整数
,
,
,
,…满足下列条件:
,
,
,
,……依此类推,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bae03ee4ac75dacfb026290e4207dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2add27a9d1cd15c752f27ffd63678286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6bc8a4fadd8f507b12107892e564f5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/876acb6b6cfef62072d9b7588fefab3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea00d10c496ccacb5b25c9574d6cdb09.png)
A.2022 | B.-2022 | C.-1011 | D.1011 |
更新时间:2022-10-31 15:32:52
|
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【推荐1】下列说法中,①a和
都是单项式;②单项式
的系数是-2;③x+2xy-y可读作x、2xy、-y的和;④若
=-x,则x<0;正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c70fcaa661df4fbcad820b439accda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec4272cddf59fc35b1986ccdffdd7b84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dc51e97939a8966daa015535a801561.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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【推荐2】点M(x,y)在第四象限,且|x|=2,y2=4,则点M的坐标是( )
A.(2,2) | B.(-2,-2) | C.(2,-2) | D.(-2,2) |
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【推荐1】设一列数
,
,
,…,
中任意三个相邻数之和都是
,已知
,
,
,那么
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec714b7d7a203ecbcef9232ee7d40da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f897a3eee5dba56dbd7f815bed49ad16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d30ad0601e5ed823e814bd1d3161cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6d3aed25c8fec3eb2f44f63e177b1c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a41e8e0f5bd8f8da7e36d71bf3cff51.png)
A.4 | B.14 | C.15 | D.条件不足,无法确定 |
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【推荐2】在数轴上,点A表示
,现将点A沿数轴做如下移动,第一次点A向左移动4个单位长度到达点
,第二次将点
向右移动8个单位到达点
,第三次将点
向左移动12个单位到达点
,第四次将点
向右移动16个单位长度到达点
,按照这种规律下去,第n次移动到点
,如果点
与原点的距离不少于18,那么n的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e47cd514b2920609e3781c87df6ab70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
A.7 | B.8 | C.9 | D.10 |
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