解题方法
1 . 某次数学考试试卷评阅采用“双评+仲裁”的方式,规则如下:两位老师独立评分,称为一评和二评,当两者所评分数之差的绝对值小于或等于
分时,取两者平均分为该题得分;当两者所评分数之差的绝对值大于
分时,再由第三位老师评分,称之为仲裁,取仲裁分数和一、二评中与之接近的分数的平均分为该题得分. 如图所示,当
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时,则
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/8/112f1051-e601-4dff-928c-1852c89047bd.png?resizew=275)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bbb0b007211f6c93ffff1ea92f2c546.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661e6cb2e38264371d19ca550922b2f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e7ad31dd3397f7d2830182a8d309289.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/8/112f1051-e601-4dff-928c-1852c89047bd.png?resizew=275)
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