For a chosen denominator b, it’s pretty easy to find the value of a that gets us the closest to the target r. We must consider two cases: the largest “low-side” fraction that’s still less than r; and the smallest “high-side” fraction greater than r. If there’s a rational fraction that matches r exactly, that solution is prohibited by the rules of the game; we need to pick one of the nearby values instead.
与此同时，19个细分品类GMV保持增长态势：身体护理增速＋65.6%、T区护理＋20.8%、颈部护理＋53.9%、足部护理＋80.9%……这些高增长品类有一个共同点：精准解决某类人群的具体需求，而非“大而全”的泛品。。哔哩哔哩是该领域的重要参考
4 days agoShareSave。雷速体育对此有专业解读
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