从
四个数中任取两个不同的数(记作
)构成一个数组
(其中
且将
与
视为同一个数组),若满足:对于任意的
和
都有
则
的最大值______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4279dbc33f122caee8504fafb22772e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e9f300af2c7392af58d50f3f1a9867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f2a9ac8f1230480ca386c6eb42345b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f097bab6cd6b4406332bb7cb31e91dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69760c2ac8f71c7a142ac7ad0c58ce38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cde8f7370270207f016844e535069d6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f930f92eabe0fdff5918fc68b6bd7674.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e474273115f68945b144a201a2c1f713.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7eb99e7cac41b6e7d9fd44c07f4b64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
2021·北京海淀·模拟预测 查看更多[2]
更新时间:2021-04-22 21:37:39
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(0.85)
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【推荐1】对于两个不相等的实数
、
,我们规定符号
表示
、
中的较大值,如:
,按照这个规定,方程
的解为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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【推荐2】规定了一种新运算:
,计算:(3*4)*5=___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd282f4ba202527b0ed345638a329d3b.png)
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【推荐1】观察下面的一列数:
,-
,
,-
……请你找出其中排列的规律,并按此规律填空,第10个数是____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6486784415f3537c9a13556c05d893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d7abf02717d6e59d8a64a65a87c412.png)
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【推荐2】按一定规律排列的数依次为:
,
,
,
,
,
按此规律排列下去,这列数中第
个数(
为正整数)是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d13ce3ebd1112220c639562739f1f9d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07ae0b4264da6a8812454ffd2f20d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4014daff61e2c227e7a38e4caf3a82e8.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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