直接写出计算结果.
(1)
___________;
(2)
___________;
(3)
___________;
(4)
___________;
(5)
___________;
(6)
___________;
(7)
___________;
(8)
___________.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f50bc62c26855566167b8618643db7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5422d10a5ac002b3fa7a065bc3c599c.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c506534fc04d8b504115e4b3abc0428b.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70b4f499b079de2bdc26ac2d3d4afb59.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78e48759da944717ae672f1ba1a2ca72.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c4b8025993aef2b36a3f7e486b73b1.png)
(7)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24141835d718da9ba124eeda9c970b5d.png)
(8)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a1d765bf630f4c586ad55c4ac54fc49.png)
更新时间:2022-10-28 22:15:11
|
相似题推荐
解答题-计算题
|
适中
(0.65)
名校
【推荐1】计算:
(1)
;
(2)
;
(3)
;
(4)
;
(5)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2770013911f903ee8e6555d2be4ffcf5.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b305499fd12cfd65a10d5010462e43.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc43d3a5a85d3cffd872c81cdb4538dc.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d00a90331373546210d4e674856ef586.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d99513ef1792dd80c4fd28c5dd782332.png)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
【推荐2】为节约水资源,某初中环保宣传小组作了一个调查,得到了如下的一组数据:我们所在的城市大约有160万人,每天早晨起来漱口,如果大家都有一个坏习惯,漱口时都不关水龙头,那么我们每个人漱口时要浪费56毫升的水.
(1)按这样计算,我们全市一天早晨要浪费多少升水?请用科学记数法表示最后的结果,并精确到千位.
(2)如果我们用500毫升的纯净水瓶来装浪费的水,可以装多少瓶?
(1)按这样计算,我们全市一天早晨要浪费多少升水?请用科学记数法表示最后的结果,并精确到千位.
(2)如果我们用500毫升的纯净水瓶来装浪费的水,可以装多少瓶?
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
名校
【推荐1】在有些情况下,不需要计算出结果也能把绝对值符号去掉.例如:
;
;
;
;
(1)根据上面的规律,把下列各式写成去掉绝对值符号的形式:
①
________;②
________;③
________;④
________;
(2)用合理的方法计算:
;
(3)用简便的方法计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3ea0f7e4e687d538f719c12c5846241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5859dcea066202edc1b484fe2311ff2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d53b47a8a4d58a8f77bc8efa8c8a8a4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eab363c355a5ba50d0c38ac29bc8ab14.png)
(1)根据上面的规律,把下列各式写成去掉绝对值符号的形式:
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbbbc269a4129fe210a14b08188cda59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1800aa9b9e16c5c5ec48cb45ffda29a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5558ca28df35945374076b0ee9596cb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/452129cd5384448cd50631c690e0d243.png)
(2)用合理的方法计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9736a3a5dc2844e9478c068ce926099b.png)
(3)用简便的方法计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ffa8f0774cc49f12f3cd40be8803cd1.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知a的平方等于4,b的算术平方根等于4,c的立方等于8,d的立方根等于8,
(1)求a,b,c,d的值;
(2)求
的值.
(1)求a,b,c,d的值;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5e950608256843f34da4ee253ecb9bb.png)
您最近一年使用:0次