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kieuthuydinh1980
2 năm trước
Một khu đất hình bình hành có độ dài đáy là 3060 m. Chiều cao bằng 2/3 độ dài đáy. Hỏi khu đất đó có diện tích là bao nhiêu mét vuông? Bao nhiêu héc ta?
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