计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a6e14a45f5c7619b000a786ee146ed3.png)
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a6e14a45f5c7619b000a786ee146ed3.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b00a14dc322b89cbf813f5fd96497b.png)
更新时间:2023-12-11 19:50:32
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解答题-问答题
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适中
(0.65)
【推荐1】已知正实数x的两个平方根是m和
.
(1)当
时,求m;
(2)若
,求x的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b5aaa2e0aa0fb07761e006c3e1c83.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f45766bacfd806fae8001cae5590b211.png)
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解答题-计算题
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适中
(0.65)
【推荐2】已知多项式A=
.
(1)化简多项式A;
(2)若
求A的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca137a9869666adb5f8d6f96b840780.png)
(1)化简多项式A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26405b8173968b1d38ed81607e310199.png)
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解答题-问答题
|
适中
(0.65)
名校
【推荐2】我们定义:如果两个实数的和等于这两个实数的积,那么这两个实数就叫做“和积等数对”,即如果
,那么
与
就叫做“和积等数对”,记为
.例如:
,
,则称数对
,
为“和积等数对”.
(1)判断
和
是否是“和积等数对”,并说明理由:
(2)如果
(其中
,
)是“和积等数对”,那么
(用含有
的代数式表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/132bc768c61ab195768601a0be02222a.png)
![](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/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d32cd1709ea2f4369b75cca27b0eb60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9c9ff2f98b0a1e5fa6bae26b948c6c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb765836721a8b921fa2a05055cac614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b351499acbb760f49872861e94363c0b.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ca651bfc89628a3b05c6e87ce5d6f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/612b19a0bfa92157fa14d4de8dfe7c45.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7204f43679af6935e494c59d40c6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1252b3493b8854fd86c1618a1d5a6097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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