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hang2018
2 năm trước
Cho B = n-3/n+2 a Tìm điều kiện với n để B là một phân số . b, Tìm số nguyên n sao cho /B/ = 3/2 . c, Tìm tất cả các số nguyên n để B có giá trị là một số nguyên .
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