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MGSM / 布莱克和凯利在进行一场比赛,看看谁能在 15 分钟内跑最远。他们决定在一个长 100 码的足球场上进行比赛。布莱克来回跑了 15 次。凯利来回跑了一次,然后决定…

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布莱克和凯利在进行一场比赛,看看谁能在 15 分钟内跑最远。他们决定在一个长 100 码的足球场上进行比赛。布莱克来回跑了 15 次。凯利来回跑了一次,然后决定自己不想在布莱克旁边跑,所以她开始跑到 40 码线并返回。她这样跑了 34 次。获胜者比失败者多跑多远?

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