1 . 对于平面直角坐标系中的点
,若点
的坐标为
(其中
为常数,且
),则称点
为点
的“
之立信点”.例如:
的“2之立信点”为
,即
.
(1)点
的“3之立信点”
的坐标为________.
(2)若点
在
轴的正半轴上,点
的“
之立信点”为
点,且
为等腰直角三角形,求
的值;
(3)在(2)的条件下,若关于
的分式方程
无解,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/684eae051519f6aba934423a7182fa0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee6765a83140d745a6de4c85d9b6b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe6d4e4f973403714396fcaa52c131c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee6765a83140d745a6de4c85d9b6b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/086e0fa10a25da50e77032176be00bbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d9206eacdcbd0cd028abce64534221d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f468adeff5568125a2e963276c26da92.png)
(1)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38cc4e8043fb27abccf766c5f314dfe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee6765a83140d745a6de4c85d9b6b50.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee6765a83140d745a6de4c85d9b6b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef60068827063709b73b3088505bc333.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)在(2)的条件下,若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8de8d9c31bd387cf684c4a39c827b352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2 . 我们约定:若点P的坐标为
,则把坐标为
的点
成为点P的“k阶益点”(其中k为正整数),例如:
即
就是点
的“2阶益点”.
(1)已知点
是点
的“3阶益点”,求点P的坐标;
(2)已知点P2是点
的“2阶益点”,将点P2先向右移动6个单位,再向下移动3个单位得到点Q,若点Q落在第四象限,求t的取值范围;
(3)已知点
的“k阶益点”是
,若
,求符合要求的点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0203b006524305c3d8ee0b6c34cd872b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8462e0623b6e76db8ad6bae972a2d4ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf99487d7860d017c0747ff966edfd77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be35b0eefdaa22bcd5680b6ba56ff2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a8bce5deebcb7c58cf727d5f60e75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15663c6e72c340f96df4a7efdb8e9665.png)
(1)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c94e5161b7331da51b5bebe14e6dc44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
(2)已知点P2是点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8b555725cbe7ed1042d3af96ac06725.png)
(3)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c743d74aa734e8481092c10abcaaa9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d0f9a0987581ad73807e8f21a3ae52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc783b0a86bf3daf066e1007a2efed42.png)
您最近一年使用:0次
3 . 新定义:对于实数
,我们规定
表示不大于
的最大整数,例如
,
,
,试解决下列问题:
(1)填空:
①
________
为圆周率),
②如果
,则实数
的取值范围________;
(2)若点
位于第一象限,其中
,
是方程组
的解,求
的取值范围:
(3)若
是正整数),例:
(3)
.下列结论:
①
(1)
; ②
; ③
; ④
或1.
正确的有________(填序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab85825d4a002600ca41bd3cd2ee7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec55854d0eabd59dc6a6dae6d323c5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/443b8dbfd8fa228f091e8c1d8910f705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3821a8de1951d6fe6bcf05ed0fedb586.png)
(1)填空:
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f277d2acf6957bb397677152298201f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4cb3499fdb3feb881ec8c4755c6e098.png)
②如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c7bd7dba859e9304ceddc65572bd9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7939f52d415e5a45f8d40824268ab7ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07f27f90d84b6b5165764a4be54b43f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a6a2d24462549594e81107b8cc1bcd4.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/771df37a312dac1fb332a31a10340c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/765a76b252a662fb6ca5e97495c3fcc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5316b4df61f1f279e0fe90965545baf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a4ba8ba986ca4a31ca9cb160db3081a.png)
正确的有________(填序号).
您最近一年使用:0次