user-avatar
nhukha2000
2 năm trước
Một máy bay đi từ B đến C là 240km mất 48 phút khi thuận gió. Lúc quay về do ngược gió phải mất 1 giờ . Tính vận tốc máy bay, vận tốc gió ?
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1.The earphones I had bought were _____ yesterday. A. stealed B. stealing C.stole D.stolen 2. ………. networking sites like Facebook and Twitter are really annoying sometimes. A. society B. socially C.social D.socialized 3. Gender ………. is abolished in many countries. A.discriminate B.discriminal C.discriminized 4.The first computer can ………. with low numbers. A.calculate B.calculation C. calculable D. calculator 5.Sports and other related forms of ……….. are usually for men. A.entertain B.entertaining C. entertainer D. entertainment 6.The revolution made much ………. with their exploits. A. progressed B.progress C. progressively D.progressive 7. Men face ………. types of difficulties at work, despite their advantages over women. A. differently B.different C.differ D.difference 8. Our ………. strength needs the joint effort from both men and women. A. economically B.economical C.economy D. economic 9. When I was small I had an ………. friend called Tom. A. IMAGINATION B. imaginary C. imagine D.imaginative

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