定义:若
,则称
与
是关于1的平衡数.
(1)5与_________是关于1的平衡数;
(2)
与________是关于1的平衡数;(用含
的代数式表示)
(3)若
,判断
与
是否是关于
的平衡数, 并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7dbc702617c765a573961953cc0901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(1)5与_________是关于1的平衡数;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d9b3e1d371a2194b34e587516b1e97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da2bd994c548af0c5114708d42f6bd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
更新时间:2022-11-19 00:30:17
|
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解答题-问答题
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较易
(0.85)
【推荐2】图1是一个三阶幻方,是将数字1,2,3,4,5,6,7,8,9填入到
的方格中得到的,其每横行、每竖列、每条对角线上的三个数之和相等.
(1)请将6、4、2、0、
、
、
、
、
这九个数填入图2的方格中,使其每一横行,每一竖列以及每条对角线上的三个数字之和都相等;
(2)如图3所示的三阶幻方中,其每一横行,每一竖列以及每条对角线上的三个数字之和都相等,若
,
,
,
,求整式D.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/777d8fccf0cf8b55a68488fe48b78744.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/3/4da35979-5722-47ee-83e7-0d62c0ccda9d.jpg?resizew=303)
(1)请将6、4、2、0、
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01317332a203c898536b1d0459f51d23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf3d3564c61e5e9c39a9e2cf2de048b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e22e1223baf7cb3d53e668c2449609.png)
(2)如图3所示的三阶幻方中,其每一横行,每一竖列以及每条对角线上的三个数字之和都相等,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cd8c6b9e2d828455b627ab074da0e15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4775ed0158a3a58c0a1bb1475b8716e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c2261d5a594d499df8a363d83eb76f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36bc4f45b49366f6692e54d0f8e0112c.png)
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