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VQH27112001
2 năm trước
vườn hoa nhà trường là mảnh đất hình chữ nhật có nửa chu vi là24,5m,chiều dài hơn chiều rộng là 7,5m.Diện tích phần đất trồng hoa hồng bằng 15,5% diện tích của vườn hoa.Tính diện tích phần đất trồng hoa hồng
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