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nguyenthiha14.95
2 năm trước
Người ta xây tường rào xung quanh cái hồ hình chữ nhật chiều dài 69 m và chiều rộng 49 m. Bức tường cao 2 m. Cứ mỗi mét vuông tốn 23 000 đồng. Hỏi xây bức tường đó hết tất cả bao nhiêu đồng?
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