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Câu 31:

Trong các dãy số sau dãy nào là cấp số cộng $\left( n\ge 1,n\in \mathbb{N} \right)$

Câu 31: Trong các dãy số sau dãy nào là cấp số cộng (n≥1,n∈N)\left( n\ge 1,n\in \mathbb{N} \right)(n≥1,n∈N)?

Thông tin câu hỏi

Câu 31:

Trong các dãy số sau dãy nào là cấp số cộng $\left( n\ge 1,n\in \mathbb{N} \right)$ ?