user-avatar
hnt2307
2 năm trước
Một xe máy đi từ A đến B với vận tốc 40 km/h và quay từ B về A với vận tốc 30km/h. Tính quãng đường AB biết thời gian đi ít hơn thời gian về là 1giờ 30 phút
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

IV. Read the passage and choose the correct answer. The United States The United States is a large country. It is the third largest in the whole world! It is located in a continent called North America. Parts of the United States touch three different oceans. The United States has tall mountains, wide plains, deserts, hills, rivers, lakes, volcanoes and even rainforests. People from all over the world have come to live in the United States. There are 50 states in the United States. The newest states, Alaska and Hawaii, are not connected to the other states. Alaska is the largest state and Hawaii is a chain of islands in the Pacific Ocean.21. The United States is the _________ country in the world. A. second largest B. largest C. smallest D. third largest 22. Alaska is ___________ and Hawaii is __________. A. a chain of islands/ the largest state B. the largest state/ a chain of islands C. a chain of islands/ the largest state D. not connected to the other states/ the largest state 23. The United States d

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team