计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd03f04cf2ed3cae1726043250cc026f.png)
更新时间:2022-06-08 08:55:27
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解答题-计算题
|
容易
(0.94)
【推荐1】计算:(
)﹣2+2sin60°+|
|﹣(2π﹣2021)0.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5246364ca8d76ddd707a001fe98cbb5f.png)
您最近一年使用:0次
解答题-计算题
|
容易
(0.94)
【推荐2】计算:
(1)
,
;
(2)
,
.
(3)
___________.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30d90f09c1ec37f869b09409e7bf9489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba44da70d72144badc0ff2303c481bff.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c22d7deb54d224a816cb9f4712ae2d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ccc3c2d2ff59a17f4fb572669c4f73d.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f24bff0d65875b0ffffb6586f679e31.png)
您最近一年使用:0次
解答题-计算题
|
容易
(0.94)
【推荐2】计算:(1)2
﹣6
+3
;
(2)(
﹣
)(
+
)+(2
﹣3
)2;
用指定方法解下列一元二次方程:
(3)x2﹣36=0(直接开平方法);
(4)x2﹣4x=2(配方法);
(5)2x2﹣5x+1=0(公式法);
(6)(x+1)2+8(x+1)+16=0(因式分解法)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cde029ac94c601540583c64bc48c17bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cf33c54dac0b9fc5d1800e5df36619b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46f33f578fbb88a7525ef32e7126856.png)
(2)(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
用指定方法解下列一元二次方程:
(3)x2﹣36=0(直接开平方法);
(4)x2﹣4x=2(配方法);
(5)2x2﹣5x+1=0(公式法);
(6)(x+1)2+8(x+1)+16=0(因式分解法)
您最近一年使用:0次