若x+y=3,xy=4,则x2y+xy2的值为____________ .
更新时间:2022-04-04 18:22:52
|
相似题推荐
填空题
|
适中
(0.65)
名校
【推荐2】若
和
互为相反数,
和
互为倒数,
,那么代数式
的值为______ .
![](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/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34b6f56532e27e244e6d847a2549aedf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b3f62a1181ed9f093745f018e35949.png)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】阅读下列分解因式的过程,再回答所提出的问题:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febef01d4fdc77dfc143d7d3999769c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28e5c7621f017fcfdf612e0a50630851.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48591b84f2407f5abafe9850bca7d93d.png)
.
(1)上述分解因数的方法是______ ,其应用了______ 次;
(2)若分解
,则需应用上述方法______ 次,结果是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febef01d4fdc77dfc143d7d3999769c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28e5c7621f017fcfdf612e0a50630851.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48591b84f2407f5abafe9850bca7d93d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8908492bcb46abf24dc3297ec9735b00.png)
(1)上述分解因数的方法是
(2)若分解
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53429a41b704297234e4dee3d023366.png)
您最近一年使用:0次