2011年大学生英语竞赛IQ TEST求助86.There are between 200 and 300 alien fingers in a room.Each alien has more than one finger on each hand,each has a different number of fingers on each hand,and all of the aliens have the same total number of
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2011年大学生英语竞赛IQ TEST求助86.There are between 200 and 300 alien fingers in a room.Each alien has more than one finger on each hand,each has a different number of fingers on each hand,and all of the aliens have the same total number of
2011年大学生英语竞赛IQ TEST求助
86.There are between 200 and 300 alien fingers in a room.Each alien has more than one finger on each hand,each has a different number of fingers on each hand,and all of the aliens have the same total number of fingers.How many aliens are there in the room?
87.What number should replace the question mark?
2011年大学生英语竞赛IQ TEST求助86.There are between 200 and 300 alien fingers in a room.Each alien has more than one finger on each hand,each has a different number of fingers on each hand,and all of the aliens have the same total number of
1：一共有200——300根手指,每个人每只手上的手指数不一样 ,且每个人的左右手手指数总和相等.用排列组合.最少应该有2个人,设为甲、乙.则甲左右手手指：49,、52.乙：50、51.49+50+51+52=202.最多有11个人,手指的数目依次为：2、23；3、22；4、21；5、20；6、19；7、18；8、17；9、16；10、15；11、14；12、13；总和为275.所以说：至少有2个外星人,最多有11个.
2: 8
为了做这个题 我牺牲了我的午饭时间