问题标题:
ThereareeighthundredwomeninavillageinAfrica.3%ofthemwearoneringontheirears.Halftherestwearapairofringsandtheotherhalfhavenoringsonatall.Howmanyringsarethereinall?
问题描述:
ThereareeighthundredwomeninavillageinAfrica.3%ofthemwearoneringontheirears.Halftherestwearapairofringsandtheotherhalfhavenoringsonatall.Howmanyringsarethereinall?
黄顺亮回答:
800
24个人戴一个耳环,其余的人一半带2个耳环,一半不带,那么就对于是说其余的人也是一人一个耳环!
所以有800个耳环!
明白了么!
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