问题描述：
英语翻译
The tribe has grown a wonderful harvest of crops.The chief is very smart and has alloca ted all the crops three families with different size.To each family,he give 10 tons more than half of what remains after he has given to the previous family.How many tons of crops did the chief start with?
The tribe has grown a wonderful harvest of crops.The chief is very smart and has alloca ted all the crops three families with different size.To each family,he give 10 tons more than half of what remains after he has given to the previous family.How many tons of crops did the chief start with?
问题解答：
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