(2+4+6+.+2008+2010)-(1+3+5+.+2007+2009)=?题二,饮水桶原来已放了一些水,以后再往饮水桶里加水,都是前一次桶里的水的2倍.加了3次后饮水桶里水德水重正好54千克.原来桶里有水多少千克?题三,三
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![(2+4+6+.+2008+2010)-(1+3+5+.+2007+2009)=?题二,饮水桶原来已放了一些水,以后再往饮水桶里加水,都是前一次桶里的水的2倍.加了3次后饮水桶里水德水重正好54千克.原来桶里有水多少千克?题三,三](/uploads/image/z/67835-11-5.jpg?t=%EF%BC%882%2B4%2B6%2B.%2B2008%2B2010%EF%BC%89-%EF%BC%881%2B3%2B5%2B.%2B2007%2B2009%EF%BC%89%3D%3F%E9%A2%98%E4%BA%8C%2C%E9%A5%AE%E6%B0%B4%E6%A1%B6%E5%8E%9F%E6%9D%A5%E5%B7%B2%E6%94%BE%E4%BA%86%E4%B8%80%E4%BA%9B%E6%B0%B4%2C%E4%BB%A5%E5%90%8E%E5%86%8D%E5%BE%80%E9%A5%AE%E6%B0%B4%E6%A1%B6%E9%87%8C%E5%8A%A0%E6%B0%B4%2C%E9%83%BD%E6%98%AF%E5%89%8D%E4%B8%80%E6%AC%A1%E6%A1%B6%E9%87%8C%E7%9A%84%E6%B0%B4%E7%9A%842%E5%80%8D.%E5%8A%A0%E4%BA%863%E6%AC%A1%E5%90%8E%E9%A5%AE%E6%B0%B4%E6%A1%B6%E9%87%8C%E6%B0%B4%E5%BE%B7%E6%B0%B4%E9%87%8D%E6%AD%A3%E5%A5%BD54%E5%8D%83%E5%85%8B.%E5%8E%9F%E6%9D%A5%E6%A1%B6%E9%87%8C%E6%9C%89%E6%B0%B4%E5%A4%9A%E5%B0%91%E5%8D%83%E5%85%8B%3F%E9%A2%98%E4%B8%89%2C%E4%B8%89)
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