45.56.44.42.48.44.48.52.48.50.44.56.48.52.43.的中位数
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45.56.44.42.48.44.48.52.48.50.44.56.48.52.43.的中位数45.56.44.42.48.44.48.52.48.50.44.56.48.52.43.的中位数45
45.56.44.42.48.44.48.52.48.50.44.56.48.52.43.的中位数
45.56.44.42.48.44.48.52.48.50.44.56.48.52.43.的中位数
45.56.44.42.48.44.48.52.48.50.44.56.48.52.43.的中位数
48