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nguyenphuonghuyen06122001
2 năm trước
Cho phân số : A = n-6/n ( n thuộc Z) a) Tìm các số nguyên n để A là phân số. b) Tìm số nguyên n để phân số A có giá trị bằng 0. c) Tìm các số tự nhiên n đề A là số nguyên. giai ho mk mk can gap lam
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