陈叔叔和李阿妹共同得到一笔奖金，原来打算把这笔奖金平均分配，后来为了体现“多劳多得”的原则，根据两人所做贡献的大小按3：2分配，于是陈叔叔比原来多分配了200元。这笔奖金共有多少元？

解答如下：根据两人所做贡献的大小按3：2分配，也就是把奖金平均分成3+2=5份,。原来每人应分到奖金的1/2，现在陈叔叔比原来多分配了200元，也就是陈叔叔分到的钱比奖金的1/2还多，可想而知陈叔叔分到了奖金的3/5，再用具体的数量除以对应的分率，200÷（3/5-1/2）=2000元。

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