买一盒牙膏、一瓶沐浴露和一瓶洗发露共付款100元。若1瓶沐浴露比2盒牙膏贵，2瓶洗 发露比7瓶沐浴露贵，8盒牙膏比1瓶洗发露贵， 且每个产品的单价都是整数。则一盒牙幵、一瓶 沐浴露和一瓶洗发滿的价格分别为多少元？

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