Arithmetic sequence 3 7 11 And the seventh of them is

twenty-seven

In the arithmetic series 3, 7, 11 Item 5 is______ ．

Let the tolerance of arithmetic sequence be D, then d = 7-3 = 4, ｜ the fifth term A5 = 3 + 4 × 4 = 19, so the answer is: 19

Find arithmetic sequence 3,7,11 What is the sum of item 4 and item 10 and the top 10?

15.39.210

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