已知:a,b互为相反数,c,d互为倒数,m的绝对值为2.
求:
的值.
求:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ef219ffaac8b92ea0c9bc62e0d4075f.png)
更新时间:2022-08-03 00:29:55
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适中
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【推荐1】若
与
互为相反数
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互为倒数,x在数轴上对应的点到原点的距离为6,求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92bd5744f9979dc4e105ff30289dea91.png)
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【推荐2】同学们都知道,
表示5与
之差的绝对值,实际上也可理解为5与
两数在数轴上所对的两点之间的距离.试探索:
(1)求
______.
(2)
与
两数在数轴上所对的两点之间的距离为______.
(3)若
成立,则
______.
(4)请你写出
的最小值为______,并确定相应的
的取值范围是______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea7ba690de4bdbdceb968265181a208f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2f3b34ad28edc1109cc8a53ac6ecd1f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72bd2967c563c4627572be3b9482cfe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
(4)请你写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e61c070ebf11edb1cea3de2238cfa33b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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解答题-计算题
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【推荐1】若a,b互为相反数,c,d互为倒数,m的绝对值为4,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8211a4be0ebf608b0eae6b4ae373b031.png)
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【推荐2】已知
,
,c是
的倒数,d是
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(1)若
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(2)若
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(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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【推荐1】已知
均为有理数,按要求解答下列问题:
(1)已知
,
互为相反数,
,
互为倒数,则
,
;
(2)在(1)的条件下,若
是最大的负整数,
与
互为相反数,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c970b862bcb1ff80f9917ea4fa3c77b.png)
(1)已知
![](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)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f56c7629163c5fe76b2c5990d7ac1f4.png)
(2)在(1)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d8de3f1cd7bcca2d492969efbb7fb4b.png)
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