若|a|=3,则1-a的值为_____ .
更新时间:2020-11-18 21:20:18
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【推荐1】已知 a,b互为相反数,c,d互为倒数,m的绝对值为1,x是数轴上到原点的距离为1的点所表示的数,则
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【推荐2】已知a的相反数是2,b的绝对值是5,则
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【推荐1】
的相反数是___________ ,
的绝对值是___________ ,
的倒数是___________ .
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【推荐1】计算下列各题:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a3f48f6eab5e5a424fc51e492b3a84.png)
______ ;
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab027d03ead4b39218e50408c3f4d444.png)
______ ;
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d03f0721fadc16da5c7b2c3aaea702.png)
______ ;
(4)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bba64d2766b12f3f889cba4ec8b2fe69.png)
______ ;
(5)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28ec33c425935f6acc296965ee24ef62.png)
______ ;
(6)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c31a2d8c32c158a3d5cb28009100572.png)
______ .
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a3f48f6eab5e5a424fc51e492b3a84.png)
(2)
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(3)
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(4)
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(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28ec33c425935f6acc296965ee24ef62.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c31a2d8c32c158a3d5cb28009100572.png)
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