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congdanau
2 năm trước
1) Tìm các số nguyên x và y sao cho x^2y + 2x^2 + y = 2x^3 + 3x - 1 2) Tìm các số nguyên x và y sao cho a) 2xy + 1 = x^2 + x + y b) x^3 + xy^2 + y^2 = x + 2 c) 2^x.x^2 = 9y^2 + 6y + 16; x,y>=0 Ai nhanh và đúng, tôi sẽ đánh dấu và thêm bạn bè nhé. Cảm ơn. Làm ơn giúp tôi !!! PLEASE !!!
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