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f=bp−qb=p−qb=p−1−pbf = \frac {bp-q} {b} = p - \frac {q}{b} = p - \frac {1-p}{b}f=bbp−q=p−bq=p−b1−p
f = 应该放入投注的资本比值
p = 获胜的概率
q = 失败的概率
b = 赔率