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1920+(?1820)+1720+(?1620)+ ... +(?420)+320+(?220)+120= Can I get an answer to this in the hour please? Thank you.
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1920+(?1820)+1720+(?1620)+ ... +(?420)+320+(?220)+120= Can I get an answer to this in the hour please? Thank you.

User Yuceel
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5 votes

520 will be the answer

User Jay Wardell
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