化简:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/288d155cca8f48cc0a6bbeae4dc0e1af.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/629695290a725483f567d3f77be367f7.png)
更新时间:2020-12-07 21:05:28
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解答题-计算题
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适中
(0.65)
【推荐1】解答下列各题
(1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2273a8976188e5725785d257f04b930.png)
(2)已知:
,
求:当
,
时,
的值.
(1)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2273a8976188e5725785d257f04b930.png)
(2)已知:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e0ec30ef0bad28cf8df5bb2043d71e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/435b488a5d31ebba6fea72af4ee8c33d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9756b95e078670ea02a4b3d66f0dc7c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1572972dde0875ca2a0ecf84291071c1.png)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
名校
【推荐2】计算或化简:
①8+(- 6) - 4 -(-3) ②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/703896b6544e298cf2ba2020f2d4543b.png)
③5x - 4y -3x+ 2y ④
①8+(- 6) - 4 -(-3) ②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/703896b6544e298cf2ba2020f2d4543b.png)
③5x - 4y -3x+ 2y ④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c670bae3b1559cf8f5ef9ff6062694d.png)
您最近一年使用:0次