英语翻译Since the beginning of the year,the number of articles o

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英语翻译
Since the beginning of the year,the number of articles on Randy's website has doubled during every 2-month period of time.If there were 7200 articles on Randy's website at the beginning of July,how many articles were on Randy's website at the beginning of Jaunary?

翻译：今年初开始,Randy的网站上文章的数量,每两个月翻一倍（即变成原来的两倍）.若7月初,Randy网站上油7200篇文章,那么在一月初他网站上有多少文章?（January,你错拼成了Jaunary）
一月初到七月初经历了6个月,每两个月翻一番,所以翻了6÷2=3次,
七月时有7200,
所以一月时有7200÷2÷2÷2=900篇
题目意思理解清楚就好啦,不难

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