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Toán Lớp 10: Bài 7: Cho A(0; −1),B(–1; 2),C(5;-1),D(x;y). Tìm x, y sao cho B là trọng tâm tam giác ACD.

Home/ Toán Lớp 10: Bài 7: Cho A(0; −1),B(–1; 2),C(5;-1),D(x;y). Tìm x, y sao cho B là trọng tâm tam giác ACD.

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