化简下列各式:
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8986c86d069aab3d565fd321abaa3501.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6318de856f0ae0e7a38be1d224fc4cc8.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0ab084a1138f39e474ca1a4153e1de.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e34fb11355b4c49c7614af3ce1f1188.png)
更新时间:2023-12-14 16:35:33
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解答题-问答题
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【推荐2】在数轴上表示下列各数,并把它们按照从小到大的顺序排列:
,
,
,
,
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c1b9097cd5439c6f2783ad941c16fb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e1a28d07fb1904c65774987073d6f9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/203b4c1b97dcb87dacb9fc636699f86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ee8a6278e3e62337ad5a43245cbda2.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐1】课堂上,数学老师给出一道题,请你按要求进行解答.
已知
.
(1)求整式
;
(2)当
时,求
的值.
已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602579032ca5c49d8cb8bbdbad758110.png)
(1)求整式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
解答题-计算题
|
较易
(0.85)
【推荐2】用“★”定义一种新运算,对于任意有理数
和
,规定![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a6fd51e9b22d5a725c918b448f43627.png)
如:
.
(1)求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a16737873318e4ce9cb9b3022a3b4c3.png)
(2)若
,求
的值.
![](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/2a6fd51e9b22d5a725c918b448f43627.png)
如:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a448ec3b728b6e17ab024499b13f3c5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a16737873318e4ce9cb9b3022a3b4c3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae805cee0b3d53b527b5d1aaede7e10c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次