Question

Một ô tô khởi hành từ A lúc 4 giờ sáng để đi về B với vận tốc 60 km/h. Đến 5 giờ một ô tô khác khởi hành từ B để đi về A với vận tốc 50km/h. Hai xe gặp nhau lúc 8 giờ. Tính khoảng cách AB?

 

Answer 1

dap an la 390 ban tu giai di ,de lam

Answer 2

ô tô 1 di 8-4=4h

ô tô 1 di số km là 60*4=240km

ô tô 2 di 8-5=3h

ô tô 2 di số km là 50*3=150

2 o to di 240+150=390km

Answer 3

Đáp số: 390 km.

Đúng 100% luôn!

Chúc các bạn học giỏi.

Bấm đúng cho mình nha.

Answer 4

đáp an là 390 nha bn lai mình mình lai lại

Answer 5

Đố các bạn tìm được chữ C trong chỗ này 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