求出下列各组中两个算式的值,找出两个算式之间的关系.
(1)
与
;
(2)
与
;
(3)
与
;
(4)
与
.
利用所得规律计算:
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00c487e2c1aa993a79146b14feae0eaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f738b3a9b3b6d662de0b3160b1e19682.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c9856e2ae50e740b3a084a5c888dffb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ce2b504dc7a2233487e4af4f946a2d2.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bcfc081f22526cf06acf3f13a8d8e4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89fe33929692908936dff54f924b64d4.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a408d115c4e0e06e103843257f73eb11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d815dcfe3cc1ae624d095c0b4f5346.png)
利用所得规律计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0b9ef26c706d9d45e2133f8bc47fc67.png)
更新时间:2023-09-23 22:27:26
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解答题-计算题
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适中
(0.65)
【推荐1】观察下面的点阵图和相应的等式,探究其中的规律:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/7201383d-069c-4e91-8aa3-4cc5cea18b8a.png?resizew=439)
(1)在④后面的横线上写出相应的等式:
①
;②
;③
;④______;⑤
;…
(2)请写出第
个等式:______;
(3)利用(2)中的等式,计算:
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/7201383d-069c-4e91-8aa3-4cc5cea18b8a.png?resizew=439)
(1)在④后面的横线上写出相应的等式:
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1db1c8f88c5de20586db0cde44d3e28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194969148c9c1b7df23d1c65f16767da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90c94bed97397edf43702cba40b6aec6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c904e397a2854240e74510bb477e18.png)
(2)请写出第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(3)利用(2)中的等式,计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9823e5c6bdb2353e98034f53e381d3bf.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知一组数:
,0,
,4,
.
(1)把这些数在下面的数轴上表示出来:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/30a494ca-87ae-49e8-aa54-f4780c3c174e.png?resizew=330)
(2)上述各数中,绝对值相同的两数分别为 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e8b4bbd2f9912adfc9864c0e1e76a9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5e36378c124392201194a79926255f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cf07ee046070362e85dc5aec584510d.png)
(1)把这些数在下面的数轴上表示出来:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/30a494ca-87ae-49e8-aa54-f4780c3c174e.png?resizew=330)
(2)上述各数中,绝对值相同的两数分别为 .
您最近一年使用:0次