user-avatar
janjan199199
2 năm trước
Lúc 8h sáng, một người đi xe máy khởi hành từ A->B với vận tốc 34km/h. Đến 9h45p,một ô tô khởi hành từ B->A. Sau khi đi được 2h30p thì gặp người đi xe máy,biết quãng đường AB dài 253km. Tính vận tốc ô tô
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

I.Choose the best awswers: 1.Yesterday,Hoa..............Lien a letter. a.send b.sent c.sends d.to send 2.She.......................a movie tonight. a.see b.seeing c.is going to see d.saw 3.You will have to...............dinner yourself. a.cooking b.cook c.to cook d.cooks 4.It only takes one...............to cause a fire. a.book b.tree c.match d.lamp 5.Can you help me...................my bags? a.carry b.carried c.carries d.carring 6.They.....................here since last week. a.lived b.live c.living d.have lived 7.My Dad.......................for his company for 20 years. a.hasn't worked b.worked c.works d.to work 8.Lipton tea is different..........................Dilmah tea. a.to b.from c.on d.at 9.The magagine is not ...................the newsaper. a.as large as b.larger c.the most large d.more larger 10.This is the first time Hoa...................Tim's family. a.met b.meets c.meeting d.has met 11.Would you mind.....................in the front seat of the taxi? a.sit b.to sit c.sitting d.sat 12.Would you mind if I ..................a photo? a.take b.taking c.to take d.took 13.Nhi asks Nga...............to her home for dinner. a.go b.went c.to go d.going 14.Hoa.......................TV at seven o'clock last night. a.watches b.was watching c.watch d.to watch 15.My family..................when the phone rang. a.was sleeping b.slept c.to sleep d.sleep 16.It's easy.............the exercise 2. a.understands b.to understand c.understanding d.understood 17.Would you mindif I.............down? a.sit b.sitting c.sat d.to sit 18.People use first-aid.................ease the victim's pain and anxiety. a.so to as b.in order c.so as to d.b and c are ok 19.The Le family was sleeping...............the mailman came. a.when b.while c.for d.to 20.Mount Rushmore...................from more than 100kilometers away. a.see b.saw c.can be seen d.seeing 21.It is a contest in which participants have to cook rice.It's a.................contest. a.cook-rice b.water-fetching c.rice-cook d.rice-cooking 22.Nhi decided...................for a walk. a.go b.to go c.going d.goes 23.Every milk bottle can be............................thirty times. a.reused b.to reuse c.reduced d.reducing 24.Would you mind................in the front seat of the taxi? a.to sit b.sitting c.sits d.sat 25.A contest in which people have to fetch water from the river is called a.............contest. a.water-fetching b.water-fetch c.fetching-water d.fetch-water 26.The Pyramid of Cheops is one the seven...............in the world. a.temples b.pagoda c.churches d.wonders 27.When the phone rang,I........................ a.sleep b.sleeping c.was sleeping d.slept 28.I asked him .........................he liked coffee . a.what b.which c.when d.whether 29.I don't know how................the game. a.play b.to play c.playing d.played 30.The boy...........next to Hoa is a new comer. a.sit b.to sit c.sitting d.sits 31.Thanks............inviting me to the festival. a.for b.in c.of d.at tại e còn mỗi 10đ thôi nên e mới cho 10đ ạ,mong mọi người giúp ạ:((

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