更新时间:2023-09-16 14:59:59
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相似题推荐
解答题-问答题
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适中
(0.65)
【推荐1】若满足
的每一个解都能使不等式
成立.
(2)化简:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892c394a6abacd1b516d060c3728e6fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c877262bcb23de8d2463f6c7e0dc145.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1a2c80a24b4b902f0101b2691f1eeaf.png)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
【推荐2】已知:有理数
、
、
在数轴上的位置如图所示,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/20/108f1b12-0a85-4233-938d-770f6eded58a.png?resizew=430)
(1)化简:
;
(2)若
,
,
是
的最小值,求
、
、
的值;
(3)在(2)的条件下,
、
、
分别是
、
、
点在数轴上所对应的数,数轴上是否存在一点
,使得
点到
点的距离加上
点到
点的距离减去
点到
点的距离为50,即
?若存在,求出
点在数轴上所对应的数;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2fdeba282b028321696be7f90f2cbfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3aa688caadfeb5bdf9c7dfecb5afa31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7766730339a5b87bcbd272eb801ba718.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/20/108f1b12-0a85-4233-938d-770f6eded58a.png?resizew=430)
(1)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b40dbd7698369f4275b91f125011ad9a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4bccdd776fe72cbc5d8a3dfa8d56383.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02131f8ef81f9c316e8511857fb0e2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3aa688caadfeb5bdf9c7dfecb5afa31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9ce0e427fd42257cc69ad99798a6345.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2fdeba282b028321696be7f90f2cbfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3aa688caadfeb5bdf9c7dfecb5afa31.png)
(3)在(2)的条件下,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2fdeba282b028321696be7f90f2cbfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3aa688caadfeb5bdf9c7dfecb5afa31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb3c1b29375dcebeb7339d6089c3faad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
【推荐1】
,…;①
,…;②
,….③
(1)第①行数按什么规律排列?
(2)取每行数的第9个数,计算这三个数的和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6bf33a1ca5ffa5e7c8b4e5556c556e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969244930e863b9dd82f26095a7dd8ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb39a334cd448bfd9bedb8e8dfaf6f9.png)
(1)第①行数按什么规律排列?
(2)取每行数的第9个数,计算这三个数的和.
您最近一年使用:0次