![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4198f860f6401f5e940b02447ae53b04.png)
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更新时间:2016-12-05 19:19:02
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【推荐2】a与b互为倒数,c与d互为相反数,m的绝对值等于2,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a6e669424f9d1dee5f891a9def1f629.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a6e669424f9d1dee5f891a9def1f629.png)
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