一道英语IQ题，求解答
算出来两个答案，你说的答案是17，我算出来 17，18 好像都行。
题目大概意思就是
在一个房间里，有外星人。外星人的手指总数在200到300间。每个外星人的每只手的手指数都大于1，每个外星人的每只手的手指数各不相同，并且每个外星人的手指总数是相同的。问房间里有多少外星人？
以下是分析：
当然题目暗含的意思应该是一个外星人有两只手，根据题目中没有对此特别说明，并且用的是alien fingers这样的表述（而题目中没有提到什么alien hands之类的）。个人这样认为。
那么受 stone_仅仅 的启发，我也进行了计算。
一个外星人两只手的手指总数为5，一只手与另一只手的手指数目分别是（2，3）
（3，2）
这样只有2个外星人，与手指总数在200与300间不符。
.
.
.
一个外星人两只手的手指总数为10，一只手与另一只手的手指数目分别是（2，8）
（3，7）
（4，6）
（6，4）
（7，3）
（8，2）
（无5，5），因为根据题目两只手手指数目不同。共6种情况，与手指总数在200与300间不符。
.
.
.
一个外星人两只手的手指总数为17，一只手与另一只手的手指数目分别是（2，15）
......
......
（15，2）
共14种情况，14*17=238 ，符合手指总数在200与300间。
.一个外星人两只手的手指总数为18，一只手与另一只手的手指数目分别是（2，16）
......
......
（16，2）
（无8，8），共14种情况，14*18=252 ，符合手指总数在200与300间。
一个外星人两只手的手指总数为19，会超出。
所以17，18好像都行。
大家可以再来讨论下。
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