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关于未使用的条件[50units]题目中提到:“George took sticks of the same length and cut them randomly until all parts became at most 50 units long.”这个条件如何使用呢,是说明 一个棍长小于51时就不折断它吗? 那这又与给出的例子相冲突了。(原来的棍子必然长度大于50) 还请解出此题的朋友释疑下。 Followed by:
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