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thuhuongdoan1482003
2 năm trước
Cho hình chữ nhật abcd có cạnh ab bằng 32 cm , bc bằng 20 cm . Trên cạnh ab lấy điểm e sao cho ae bằng 3.eb . Trên cạnh bc lấy điểm I sao cho bi bằng 3/5 bc . Trên cạnh ad lấy điểm k sao cho ak bằng 1/4 ad tính diện tích tam giác EIK
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