计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ac22c8769688d3eb8d55c3e0999a547.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ac22c8769688d3eb8d55c3e0999a547.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/443b61361cc10d1fcad4ace52d096334.png)
更新时间:2023-09-25 14:35:21
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相似题推荐
解答题-计算题
|
适中
(0.65)
【推荐1】先化简,再求代数式的值.
,其中:
(1)
,
.
(2)
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621c028766a3a5364471a748ee48db13.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f08ce80e91fdf435a8e3ec05be990e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3320a13248a3a1208ff6ee85c9d26f36.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82986ab38a4ae58593191ccae2a44f62.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】已知三角形一边长为
,这条边上的高为
,求该三角形的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70c62311b6f413f8f80ea501ee299524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75819cdf068758989aef20c43ba7db0a.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】已知:a=
﹣2,b=
+2,分别求下列代数式的值:
(1)a2+2ab+b2
(2)a2b﹣ab2.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
(1)a2+2ab+b2
(2)a2b﹣ab2.
您最近一年使用:0次