
这道数学题怎么做,麻烦翻译一下,然后列个算式,谢谢!
Thereare480desksinanexaminationhall.Theteachernumberallthedesksincountingorderstartin...
There are 480 desks in an examination hall.The teacher number all the desksin counting order starting from 1.What is the total number od digits she writes?
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有一个考场480张桌子。教师数的desksin计数从1开始的顺序。什么是总人数的OD数字她写的吗?翻译,题我看不懂了
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