计算.
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/952690098f83ea5ca430b8f755f4b5f8.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/952690098f83ea5ca430b8f755f4b5f8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9af513451c03c750e3b644b756bdc225.png)
更新时间:2023-10-30 18:20:52
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解答题-问答题
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适中
(0.65)
【推荐1】已知
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解答题-问答题
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适中
(0.65)
【推荐2】(1)
;
(2)
;
(3)
;
(4)
;
(5)
;
(6)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ca7e4fea60b7761194f734d13d985d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a4270c0164643a6ed534692788ab5a9.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ca9593f9bacfd367f08d9aa4d1dd87.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/008ad2843440bfcb051820606acdeb75.png)
(5)
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(6)
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适中
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名校
【推荐1】已知2a-7的平方根是±5,2a+b-1的算术平方根是4,求-
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适中
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【推荐2】一元二次方程a(x+1)2+b(x+1)+c=0化为一般式后为3x2+2x﹣1=0,试求a2+b2﹣c2的值的算术平方根.
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解答题-计算题
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适中
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【推荐2】计算:(1)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdafe1cad3eba25eba2ce996243ff499.png)
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