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Serga [27]
3 years ago
13

PLEASE HELP 20 POINTS One day, River writes down the numbers $1,$ $2,$ $\dots,$ $999.$ What is the sum of all the digits that Ri

ver wrote down?
Mathematics
1 answer:
Temka [501]3 years ago
6 0

Answer:

LOL this is from AOPS

Step-by-step explanation:

LOL tryna cheat out here

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