已知实数a、b在数轴上的位置如图所示,则代数式
可化简为( )
![](https://img.xkw.com/dksih/QBM/2022/1/11/2899422031446016/2950224054026240/STEM/d0c28a20-0dcb-42a0-9f2f-1e8e223bfa86.png?resizew=256)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f551016212dedb75a7a29331298ba3d8.png)
![](https://img.xkw.com/dksih/QBM/2022/1/11/2899422031446016/2950224054026240/STEM/d0c28a20-0dcb-42a0-9f2f-1e8e223bfa86.png?resizew=256)
A.3b | B.![]() | C.![]() | D.-3b |
21-22七年级上·江苏无锡·期末 查看更多[7]
更新时间:2022-04-03 15:09:06
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【推荐1】实数a、b在数轴上的对应位置如图所示,则
+|b|的值为( )
![](https://img.xkw.com/dksih/QBM/2019/3/27/2169705695240192/2172511859957760/STEM/b61334970a4a4094bc1f742840764617.png?resizew=324)
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A.a﹣2b | B.a | C.﹣a | D.a+2b |
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【推荐2】已知有理数
,
满足
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】已知
,
,且
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A.8,![]() | B.![]() | C.![]() ![]() | D.2,![]() |
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【推荐1】下面是某同学作业本上的四道题:①
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53bc38ba0d63311e8a8f16aeeeee5160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7bd9985fd6762db3516cf889809ee4e.png)
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A.1个 | B.2个 | C.3个 | D.4个 |
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