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The fourth term of an arithmetic sequence is 20, and the 13th term is 65. Find the sum of the first 13 terms
The fourth term of an arithmetic sequence is 20, and the 13th term is 65. Find the sum of the first 13 terms
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Directed Algebraic Topology And Concurrency
Authors: Lisbeth Fajstrup, Eric Goubault, Emmanuel Haucourt, Samuel Mimram, Martin Raussen
1st Edition
3319153986, 9783319153988
