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Mathematics, 19.05.2021 15:40, cjade7660
The sum of the first and 11th terms of an arithmetic sequence is 40, what is the sum of its 5th and 7th terms ?
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Answers: 2
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Mathematics, 21.06.2019 19:10, chrischris1
In the triangles, bc =de and ac fe. if the mzc is greater than the mze, then ab isdfelth
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The sum of the first and 11th terms of an arithmetic sequence is 40, what is the sum of its 5th and...
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