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Member Since 13-05-2018
Offline Last Active 14-05-2018 - 10:27

13-05-2018 - 11:51

Cho x và y là hai số thực thỏa mãn : x ≥ 0, y ≥ 0, 2x + 3y ≤ 6 và 2x + y ≤ 4 tìm GTNN và GTLN của biểu thức K=x2 - 2x - y

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akiraqueen