user-avatar
tranngocdu27042001
2 năm trước
Một chiếc xe tải đi từ điểm A đến điểm B, quãng đường dài98km. Sau khi xe tải xuất phát được 1 giờ, một chiếc xe khách bắt đầu đi từ B về A và gặp xe tải sau khi đã đi được 1 giờ 50 phút. Tính vận tốc mỗi xe biết rằng mỗi giờ xe khách đi nhanh hơn xe tải 13 km. Trả lời: Vận tốc xe khách là ? km/h. Vận tốc xe tải là ? km/h mình cần gấp ạ
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1.Choose the word which has a different stress pattern from the others. * D. Taiwanese A. refugee C. employee B. absence 2.You can see _____________ on the Canadian national flag. * A. the maple leaf D. the oak tree C. the rose B. the red leaf 3.The name Canada comes from the word “kanata” which means “settlement” or “____________” in the language of the St Lawrence Iroquoians. * 4’ B. village D. nation C. town A. country 5.Chicago ______________ the third largest city in the United States. * C. is B. will be A. has been 6.Today, some of the world's tallest and most famous skyscrapers ______________ in the city. * A. is found C. are found B. finds 7.Chicago ______________ "The Windy City". * C. often is called B. is often called A. often calls 8.____________ has a unique culture with traditions such as bagpipes, kilts and highland dancing. * D. Northern Ireland B. Wales A. England C. Scotland 9.The Lord of the Rings movies were filmed in ____________. * B. Australia D. New Zealand A. England C. Canada 10.The world’s largest reef system, the Great Barrier Reef, is found off the north-eastern coast of ______________. * A. Canada B. America C. New Zealand D. Australia 11.The name “Australia” comes from the Latin word “australis”, meaning ____________. * A. northern B. southern D. western C. eastern 12.Choose the word which has a different stress pattern from the others. * 4 điểm D. trainee C. payee A. coffee B. Chinese 13.Over three million people ______________ in the two hundred and twenty-five mile area of Chicago * 4 điểm B. are living C. is living A. live 14.In 1893, _____________ became the first country in the world to give all women the right to vote. * C. America B. New Zealand A. Canada D. Singapore 15.Located in the heart of the city ______________ the one hundred and ten story Sears Tower. * A. has been C. will be B. is 16.Choose the word which has a different stress pattern from the others. * 4 điểm A. referee C. Japanese B. guarantee D. jubilee 17.Another name for Wales is _____________. * 4 điểm B. Celtic C. Cymru D. Galle A. Saxon 18.Choose the word which has a different stress pattern from the others. * 4 điểm B. Chinese A. Viennese D. Committee C. Burmese 19,Choose the word which has a different stress pattern from the others. * 4 điểm D. reindeer C. mountaineer B. volunteer A. engineer

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