xy.(x-y-y^2).(y-z)+(z-x)+xz.(3x-x) PTĐTTNT

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xy.(x-y-y^2).(y-z)+(z-x)+xz.(3x-x) PTĐTTNT

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Jezebel 5 years 2020-11-01T12:33:04+00:00 0 Answers 28 views 0

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