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( bằng cách ngắn gọi nhất ) 1 CM rằng : 36x - x^3 / x^3 + 12x^2 + 36x = 6-x / 6+x 2 Tìm đa thức A biết: 4x^2 - 3x - 7 / A = 4x - 7 / 2x + 3 với x # -3/2
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