Cho:4x ²+2y ²+2z ²-4xy-4xz+2yz-6y-10z+34=0 Tính:M=(x-4)^2019+(y-4)^2020+(z-4)^2021

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Cho:4x ²+2y ²+2z ²-4xy-4xz+2yz-6y-10z+34=0
Tính:M=(x-4)^2019+(y-4)^2020+(z-4)^2021

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Huy Gia 6 years 2020-10-15T11:58:19+00:00 0 Answers 42 views 0

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )