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英语翻译There are 480 desks in an examination hall.The teacher n

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英语翻译
There are 480 desks in an examination hall.The teacher number all the desks counting order starting from 1.What is the total number of digits she writes?
英语翻译There are 480 desks in an examination hall.The teacher n
There are 480 desks in an examination hall.The teacher number all the desks counting order starting from 1.What is the total number of digits she writes?
考试大厅放着480张桌子.老师把所有桌子从1开始都编了号.她会写多少个数字?
这个里面是重点词就是:digits (数字),这个数字只是指0-9,这10个数字,不能超过9.
比如:老师写:361 号桌子,那么她就写了3个digits.
现在你想想她一共写了多少个数字