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HaThuong
2 năm trước
Dạ với vấn đề máy em ko chụp đc ảnh nên mấy anh chị thông cảm ạ A= ( xmũ2 - 2x +1)(x-1) B=(3xmũ2 -4)(x+3) C=(xy - 1 ) (xy + 5) D=( x+3 ) (xmũ2 + 3x )
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