计算
(1)计算:
;
(2)解方程:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538a5503315ea07c5ee313fc47f9b607.png)
.
(1)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7944c9379efa13047378a7caf014f680.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538a5503315ea07c5ee313fc47f9b607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dada7db0b5a2f52c692dc6fe7557a11.png)
更新时间:2018-07-26 17:03:09
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解答题-计算题
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适中
(0.65)
名校
【推荐1】计算
(1)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be8100838848a705766b2d073eba2cf.png)
求下列各式中x的值
(3)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/702b603d86d07d6df1129f8c82bbe335.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be8100838848a705766b2d073eba2cf.png)
求下列各式中x的值
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c4053b4fac42e61a0b6ed8376dc7ece.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8cca997396ded7b6826d6855faf327e.png)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
【推荐2】计算:
(1)
+
﹣|﹣
|﹣(﹣1)5
(2)计算:12a6b4÷3a3b4+a2•(﹣5a)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/492fb7f31846ab8d0bd65a41bc6df323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8397629ac2094389cd991491413535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(2)计算:12a6b4÷3a3b4+a2•(﹣5a)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
【推荐2】下面计算错在哪里?指出错误步骤的序号,并给出正确的解答步骤.
6sin60°﹣3tan45°+
.
=6
3
3……①
=3
3
3……②
=3……③
(1)错误步骤:_______;(填最先出错的步骤序号即可)
(2)写出正确解答步骤.
6sin60°﹣3tan45°+
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5be7821872c2f83d39ffaea5216d09.png)
=6
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b2cd9791809c3432e7fe6cd38bedddf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1569cc723c3e3b6859112fe0c6451a30.png)
=3
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8347db49da025570c43bdd57463fc366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/816c8f1ab3cf35a8b0d35365ccc395d8.png)
=3……③
(1)错误步骤:_______;(填最先出错的步骤序号即可)
(2)写出正确解答步骤.
您最近一年使用:0次