x+lxl=2x minh chi can cac ban chi giup minh cach giai cau nay thoi gggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg

Các câu hỏi liên quan