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hanngan2810
2 năm trước
Cùng một lúc có 2 xe máy cùng khởi hành tại 2 điểm A và B cách nhau 96 km đi ngược chiều nhau. Vận tốc của xe đi tại A là 36km/h của xe đi từ B là 28km/h. a. Xác định vị trí và thời điểm 2 xe gặp nhau. b. Hỏi sau bao lâu hai xe cách nhau 32km. Giải giúp mk bài 5 Cảm ơn các bạn nhiều
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