(1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae3890182bdd9d1362d2a42dd783239.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae3890182bdd9d1362d2a42dd783239.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35201987b3ac0b0703b550db847f843a.png)
更新时间:2020-12-28 22:54:08
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【推荐1】定义一种新运算
.观察下列算式:
;
;
;
.
(1)填一填:
______,
______;
(2)若
,则
______(填“
”或“
”)
;
(3)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e16415b61722f9961e412386e6819f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7d495b4be40709f4d07f345e0d55499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd9dd6e2b466f104f6fe2f38b730dbe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f43da679ffd843c8b6aa2978dc4d349a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d0685a4462160a264e55945ef0adf8a.png)
(1)填一填:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/060844a3ae12d1f1105a9e8d763e5e60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd22115fcbff0995a072ec857206fd0d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2958030ec9d7543dda1f529593a915e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/958bd270a90b9fbe73d2951b97a2d3ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411837b4b3078d05b43cb0439259a362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e238716334fdacd0f335e8a8e1ca187.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ddf0ad3e75f28317f708cd418ccb4ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2af1f310fb2a50742d2aaede57e74a58.png)
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