方程
的解是
,则
的值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e13df832066a6f6568d0df23b319e34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a089c207e39a24d0d82aa853ac2bbb8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7703d79223ab122036950d74806e700.png)
更新时间:2023-10-02 23:42:53
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【推荐1】小明在解一元一次方程时,发现这样一种特殊现象:
的解为
,而
;
的解为
,而
.
于是,小明将这种类型的方程作如下定义:若一个关于x的方程
的解为
,则称之为“奇异方程”.请和小明一起进行以下探究:若关于x的方程
为奇异方程,解关于y的方程:
的解为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b76bb47ff3519a1171c98ead50f8027b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c98a7f3a8bf384b1dfc1d34aebd46d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c74ce585b91441220ff646133ab94619.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd52d5c7f1bf2f4a385637de617244e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee794dd59f507682a671db06fb8d77f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e922a65fdab930ec560afb59794d794c.png)
于是,小明将这种类型的方程作如下定义:若一个关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de3bbbe24fa167c4e7b0750b60bd054d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f94cf0006ece881d598f583ddcac5fe6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de3bbbe24fa167c4e7b0750b60bd054d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394d1d2b13895b7a1e702eb69733f1ed.png)
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【推荐2】下列说法中:
①若
,则
;
②若
,则
一定是关于x的方程
的解;
③若
,且
,则
;
④若
,则
;
其中正确的是____________ .
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e56f4504e0f80fd031c8b5f41832e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9af69c770e8ffdeb57f70a90711617a2.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e56f4504e0f80fd031c8b5f41832e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799e8ae2779e6b0f2def1e4499ba8f2a.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e56f4504e0f80fd031c8b5f41832e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72e96f2368d04db6d0e05de46e97e29f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c21bd0bd90a89b7ff5ac0eacf612a5.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e56f4504e0f80fd031c8b5f41832e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3252d4ed9d8e0ad920bce5ec7ebc201b.png)
其中正确的是
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【推荐1】小李在解方程
时,误将
看作
,得方程的解为
,则原方程解为________________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1271fb1291f09c73c05fbbdaf72b6822.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7be6f009bfb61b11e4f87edb4132de3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cde4419a36437d5487b6023c3c6eb7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
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【推荐2】如图,矩形
的顶点A,C分别在y轴、x轴的正半轴上,点D在
上,且
, 反比例函数
的图象经过点D及矩形
的对称中心M,连接
,
,
.若
的面积为2,则k的值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b1c68c71dedc4f7767be51893e60924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70a8b6fe6b9add4a965ac32c1fc51c6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a424b50eaeafa6f302ffd95476cb86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c693731f073a4f21f0c92a3b610804f4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/25/9e4432ee-ed43-4a0b-ade9-89181dfb1589.png?resizew=192)
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