B4:Giải bài toán bằng cách lập phương trình

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<!--[endif]--> Cùng lúc một trên đoạn đường AB. Một xe tải đi từ A đến B và ô tô đi từ B về A. Chúng gặp nhau tại một điểm C cách A là 120km . Nếu xe tải khởi hành sau ô tô 2 giờ thì chúng gặp nhau tại D cách A 96km.Tính vận tốc mỗi xe,biết đoạn đường AB dài 200 km.   3----- Nội dung dịch tự động từ ảnh -----
B4:Giải bài toán bằng cách lập phương trình
Cùng lúc một trên đoạn đường AB. Một xe tải đi từ A đến B và ô tô đi từ B về A. Chúng gặp nhau
tại một điểm C cách A là 120km . Nếu xe tải khởi hành sau ô tô 2 giờ thì chúng gặp nhau tại D cách
A 96km.Tính vận tốc mỗi xe,biết đoạn đường AB dài 200 km. 3