When l was a little girl,every time my dad was repairing som

When l was a little girl,every time my dad was repairing something,he56ask me to

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Wh.at kind of music does the man like best?

Wh.at kind of music does the man like best?A.Light music. B.English songs. C.Ame

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为了进一步了解某校九年级学生的身体素质情况,体育老师对该校九年级(1)班50位学生进行一分钟跳绳次数测试,以测试数据为样

为了进一步了解某校九年级学生的身体素质情况,体育老师对该校九年级(1)班50位学生进行一分钟跳绳次数测试,以测试数据为样本,绘制出部分频数分布表和部分频数分布直

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一组数据3,x,0,-1,-3的平均数是1,则这组数据的极差为________.

一组数据3,x,0,-1,-3的平均数是1,则这组数据的极差为________.

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