计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7cad17a76f5664e793ffbf858ba7cc1.png)
更新时间:2024-02-26 08:11:12
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解答题-计算题
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【推荐1】已知
三数在数轴上对应的点如图所示,化简:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f5573b30734d65648f61c0a94c98de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6740db2878c3b3edbb278ca67ffe6c20.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/20/4e0642a7-ae15-49a9-a9ce-2bbd65ee21f1.png?resizew=241)
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解答题-计算题
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较易
(0.85)
【推荐2】(1)计算:
+(﹣2021)0﹣(
)-1;
(2)化简:
÷(1﹣
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5a1a7a04d4c10e7a45714482bfb58d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a7cedc0a7e8c14f3fb706944c35ee0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31c5384181ff6941343f8880b65cc4d4.png)
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解答题-问答题
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较易
(0.85)
【推荐1】在复习了幂的运算后,王老师让同学们总结:
(n为整数)成立时,a,n应满足的条件.
(1)经过讨论,善思小组的同学们总结了三种使
(n为整数)成立的情形,请你补充完整:
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74420af4b84141cd302dd97065c4f62f.png)
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/414cc481a98525997c84cb24c294ad19.png)
③
___________.
(2)已知
,求m的值.
(3)延伸迁移:若
,请直接写出a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c7425b2c1940133b470705a97316d20.png)
(1)经过讨论,善思小组的同学们总结了三种使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c7425b2c1940133b470705a97316d20.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74420af4b84141cd302dd97065c4f62f.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/414cc481a98525997c84cb24c294ad19.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/730b04eec56651d9d38844fe85285f01.png)
(3)延伸迁移:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f36c9f88f26002d5d69ae281309cea5.png)
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