Mathematics, 24.09.2021 14:00 Beastmode1551

1)TÍnh -2, 3- . Với (1;-5), (-4:2) 2)A (1:1), B (-2:4), C (0:3)
Tìm D sao cho ABCD là hình bình hành
3)A (1:1), B (-2:3), C (0:5)
a) Tìm trung điểm của AB
b) Tìm trọng tâm của Tam giác ABC

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1)TÍnh -2, 3- . Với (1;-5), (-4:2) 2)A (1:1), B (-2:4), C (0:3)
Tìm D sao cho ABCD là hình b...