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2 năm trước
1 căn phòng Hình chữ nhật có chiều dài 8m chiều rộng bằng ¾ chiều dài.Để lát nền căn phòng đó, người ta dùng loại gạch men hình vuông cạnh 4dm.Hỏi căn phòng được láy bằng bao nhiêu phần gạch men đó?(phần diện tích mạch vữa không đáng kể) Ghi lời giải rõ ràng ra thì mình vote 5 sao nhé
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