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有三个整数 x,y,z 问你中位数是多少? 条件 1:x,y,z 的平均数是 5 条件 2:2y=x+z

10.3号的MATH机经中的一道题：有三个整数 x,y,z 问你中位数是多少? 条件 1:x,y,z 的平均数是 5。条件 2:2y=x+z。答案是C，难道不应该是B吗？
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