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Tìm x,y thỏa mãn;2x+3y=19 1/3

Môn Toán Mít Mít 4 years 2020-11-02T07:39:47+00:00 2020-11-02T07:39:47+00:00 0 Answers 28 views 0

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

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