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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?

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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