已知a和b是非0的相反数,c和d互为倒数,
.求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34b6f56532e27e244e6d847a2549aedf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ae44376c899260ad46fa289263ec99a.png)
更新时间:2024-04-05 20:18:34
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适中
(0.65)
【推荐1】请把下面的直线补充为完整的数轴,将下列各数表示在数轴上,并用“
”符号把这些数连接起来:0,
,
,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5756f4f4086a3fddaedef958b2bba49a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff7942da6c3fc4005256fb1458557c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e089c43cf0bfd06bd84d19fb10f5af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda3fa0c6d265e30bf94e32370935bf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361a17148277a3a856d5344be0726723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a22e82ffaf4d1ed342a8a0e7b76fd133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5756f4f4086a3fddaedef958b2bba49a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/22/a492808d-eaae-43d6-a304-653f12f7db17.png?resizew=512)
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解答题-计算题
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适中
(0.65)
【推荐2】若a与b互为相反数,x与y互为倒数,m的绝对值和倒数均是它本身,n的相反数是它本身,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/415df0181b8edd8a9886fe596a6922e0.png)
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解答题-计算题
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适中
(0.65)
【推荐1】已知:
、
互为相反数,
、
互为倒数,
的绝对值为
,求:
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/368c3cdfe56cc5f4c316dcf1702615b4.png)
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适中
(0.65)
【推荐2】已知
,b的相反数是2,c是最大的负整数,
没有倒数.
(1)若
,求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d23fa09f36fec8353a4d5ecfdd7786b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac880f3665cdad11c922a07bafd200d6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c21bd0bd90a89b7ff5ac0eacf612a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5caf3184e09155f453b1a6b85ba8fc6f.png)
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适中
(0.65)
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【推荐1】在﹣5,1,3,0中,任取两个数相减,设最大的差是a,最小的差为b,且|x+2a|+(y﹣b)2=0,求
x﹣3y的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
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解答题-计算题
|
适中
(0.65)
【推荐2】计算下列各题:
(1)
;
(2)先化简,再求值:
,其中
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e403603a088371be14fc84fee9fbfe.png)
(2)先化简,再求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a79c98e566c30085e8fe203de9b8fda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0559056c283f58c15af672b83fa95439.png)
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