(x+y)×3^(3xy+x+y)-81+81xy=0
Tìm giá trị lớn nhất cho P= 3y^2×x+xy...
Mathematics, 28.06.2021 17:00 Heartlesskiidkii
(x+y)×3^(3xy+x+y)-81+81xy=0
Tìm giá trị lớn nhất cho P= 3y^2×x+xy
Answers: 2
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