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Cho dãy số: 1, 4, 7, 10,… a. Nêu quy luật của dãy. b. Số 31 có phải là số hạng của dãy không, nếu phải thì số hạng thứ bao nhiêu? c. Số 1995 có thuộc dãy này không? Vì sao?
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Cho dãy số: 1, 4, 7, 10,…

a. Nêu quy luật của dãy.
b. Số 31 có phải là số hạng của dãy không, nếu phải thì số hạng thứ bao nhiêu?
c. Số 1995 có thuộc dãy này không? Vì sao?

User Jake Runzer
by
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1 Answer

5 votes

Answer:

bsjjdnsnd

Explanation:

bdhd dhdidnne

User Chriselle
by
3.7k points
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