Which of the following is an arithmetic sequence with a common difference of +3? A) 17, 14, 11, 8, … B) 1, 3, 9, 12, …

Question

Which of the following is an arithmetic sequence with a common difference of +3?
A) 17, 14, 11, 8, …
B) 1, 3, 9, 12, …
C) 4, 7, 10, 13, …
D) 12, 15, 19, 24, …

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Ngọc Hoa 3 years 2021-08-25T18:22:42+00:00 1 Answers 15 views 0

Answers ( )

  1. vankhanh
    0
    2021-08-25T18:23:42+00:00
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    c.

    4 + 3 7 + 3 1 0 + 3 1 3

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )