计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39cd76ce88ab808f2f3f2a87a9273d2f.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500da97d5c74b203ef3b397dba8515b5.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7610f4947ad761247cd546a3bb59e1f0.png)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39cd76ce88ab808f2f3f2a87a9273d2f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500da97d5c74b203ef3b397dba8515b5.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7610f4947ad761247cd546a3bb59e1f0.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c54f6e6a365202334cf2593dbdc386e2.png)
更新时间:2023-09-23 13:32:03
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相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】根据下面给出的数轴,解答下面的问题:
(1)请你根据图中A、B两点的位置,分别写出它们所表示的有理数A , B ;
(2)若将数轴折叠,使得A点与表示
的点重合,则B点与表示数 的点重合;
(3)若数轴上M、N两点之间的距离为2022(M在N的左侧),且M、N两点经过(2)中折叠后互相重合,则M、N两点表示的数分别是:M ,N .
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/6/c8bbbd4d-7b16-4746-b779-97a5d7940e5c.png?resizew=295)
(1)请你根据图中A、B两点的位置,分别写出它们所表示的有理数A , B ;
(2)若将数轴折叠,使得A点与表示
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
(3)若数轴上M、N两点之间的距离为2022(M在N的左侧),且M、N两点经过(2)中折叠后互相重合,则M、N两点表示的数分别是:M ,N .
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解答题-问答题
|
适中
(0.65)
【推荐2】已知|a|=2,|b|=4.
(1)若
<0,求
的值;
(2)若|a﹣b|=﹣(a﹣b),求a﹣b的值.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2122e3f1e76a635e58e4d54aa594c552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2122e3f1e76a635e58e4d54aa594c552.png)
(2)若|a﹣b|=﹣(a﹣b),求a﹣b的值.
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解答题-计算题
|
适中
(0.65)
【推荐1】用简便方法计算:
(1)﹣13×
﹣0.34×
+
×(﹣13)﹣
×0.34,
(2)(﹣
﹣
+
﹣
+
)×(﹣60).
(1)﹣13×
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a734873a608f0c070dec80b89d179754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dbad074ba78c0a942f9be7379aeff36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ab44a7dc9c035687a33f6e065392359.png)
(2)(﹣
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dbad074ba78c0a942f9be7379aeff36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4548688a531d9770152f33d79c05db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bbbcd266918a8a51fed1ad01d58765a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41ab109ec88d6f3d24b2f01ca77e7038.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f16d09692f7b0fb5633964437202d21d.png)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
【推荐1】阅读下面的文字,完成后面的问题,我们知道:
,那么:
(1)
__________;
__________;
(2)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/792a75087d7bfb24aadd2ae847316dac.png)
(3)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f18f987cd42e9e0d11bf4887c6b55a1.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b271ce6c8b549fda335ec2bdc922da82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0238657619e3f3b63c0affd5d3b7492.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/792a75087d7bfb24aadd2ae847316dac.png)
(3)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9e2200280c98af799cd9a4a9f395bbe.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
【推荐2】已知
互为相反数,c、d互为倒数,
的绝对值为4,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/883bc65df024bf6231820b7f14aff3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e76f0612405e8e80d4be8ae32b986a.png)
您最近一年使用:0次
解答题-计算题
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适中
(0.65)
【推荐2】对于有理数a,b,定义一种新运算“
”,规定:
.例如:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc18499952fc12475698a3a4851cc036.png)
(1)计算:
;
(2)若a,b在数轴上的位置如图所示,化简:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/091e86ca89e484b331fd90125a5e5af3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/428c700d7de780b7698d198b3cc13da4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc18499952fc12475698a3a4851cc036.png)
(1)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b25402b1c79d026f53d055857029832.png)
(2)若a,b在数轴上的位置如图所示,化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bceec8a71ef5ad4bb59ab30ba4c0b371.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/9/3e79014d-5801-4e91-9ebb-f7d80ef020e2.png?resizew=200)
您最近一年使用:0次