解下列方程组:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/064597501dbff29358c42bdb30f9961d.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/064597501dbff29358c42bdb30f9961d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c41b1ce550418bdc1e6e3a2c3acac5.png)
更新时间:2023-06-25 20:51:51
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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2】定义:在平面直角坐标系
中,把从点P出发沿纵或横方向到达点Q(至多拐一次弯)的路径长称为P,Q的实际距离.如图,若
,
,则P,Q的“实际距离”为5,即
或
.环保低碳的共享单车,正式成为市民出行喜欢的交通工具设A,B,C三个小区的坐标分别为
,
,
,若点M表示单车停放点,且满足M到A、B、C的“实际距离”相等,求点M的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f649130c0884bc9cf04814f800a16300.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c996c112b08761c0826c2456ce8df704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7f51019d8723cc1367097f5f019fed7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df9f31bdbeccea5ec31c301961ea4c23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12250671549c5d79588e1084d2bcbe50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb36aa2fe4afa9858b8ef6978465078b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b26476be475151fe5b3a4d91f0226256.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/4/df58c81b-cf0e-4755-b7d3-bdabca727fcc.png?resizew=124)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
【推荐1】计算:
①![](https://img.xkw.com/dksih/QBM/2016/12/30/1633718490284032/1633718490578944/STEM/0d423fb2ec3a49979e8e17612e939678.png)
②![](https://img.xkw.com/dksih/QBM/2016/12/30/1633718490284032/1633718490578944/STEM/3b582560274b4e0dbc856a8a48890ada.png)
③解方程组:![](https://img.xkw.com/dksih/QBM/2016/12/30/1633718490284032/1633718490578944/STEM/28cc1e7252744571ada57dd761d8e3d2.png)
④![](https://img.xkw.com/dksih/QBM/2016/12/30/1633718490284032/1633718490578944/STEM/20ef7f7c9ba94118bd7917dc269416d5.png)
⑤已知
和
都是方程ax﹣y=b的解,求a与b的值.
⑥计算:
①
![](https://img.xkw.com/dksih/QBM/2016/12/30/1633718490284032/1633718490578944/STEM/0d423fb2ec3a49979e8e17612e939678.png)
②
![](https://img.xkw.com/dksih/QBM/2016/12/30/1633718490284032/1633718490578944/STEM/3b582560274b4e0dbc856a8a48890ada.png)
③解方程组:
![](https://img.xkw.com/dksih/QBM/2016/12/30/1633718490284032/1633718490578944/STEM/28cc1e7252744571ada57dd761d8e3d2.png)
④
![](https://img.xkw.com/dksih/QBM/2016/12/30/1633718490284032/1633718490578944/STEM/20ef7f7c9ba94118bd7917dc269416d5.png)
⑤已知
![](https://img.xkw.com/dksih/QBM/2016/12/30/1633718490284032/1633718490578944/STEM/3633f644607548d9a68553b288eea1c6.png)
![](https://img.xkw.com/dksih/QBM/2016/12/30/1633718490284032/1633718490578944/STEM/1cad0c23b06e4ba78663455738351f24.png)
⑥计算:
![](https://img.xkw.com/dksih/QBM/2016/12/30/1633718490284032/1633718490578944/STEM/71731075a2704821a1743196d19662ea.png)
您最近一年使用:0次