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khaiquanghnue
2 năm trước
giải giúp mình vs , mình đang cần gấp ạ Cho x,y thỏa mãn : x^2+y^2=x+y . Tìm giá trị nhỏ nhất, lớn nhất của A =x^3+y^3+x^2y+xy^2
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