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4
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p或者vp在五十以下我数只有12各点，一共60个p和vp，D是怎么出来的
7
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这个题目一个点代表一个organization，一个点纵轴横轴都要考虑值吧？如果这么考虑应该只有两个点是在(50,50)下面的呀
8
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8
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这个题目题意是啥，p vp都小于50岁的话不是只有两个点吗？
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