user-avatar
Nhp1203
2 năm trước
Cùng một lúc 1 ng ik xe đạp từ A và một ng ik xe máy từ B ngược chiều nhau sau 1h 30p. Quãng đường AB dài 88,5 km. Hãy tính vận tốc của mỗi ng, biết vận tốc cuả ng ik xe máy hơn vận tốc của ng ik xe đạp là 35km/giờ.
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

11: the doctor said that the patient was _good progress thanks to intensive ard continuos treatment A:causing B:making C :catching D:getting 12:snow is made more magical when _with fairytale villages ,charming cottages,And hallmark movie -ready downtowns A:pairing B:paired C:is paired D:is pairing 13:he will apply for a job _ A:when he is graduating from university B:until he gradated from university C:after he had graduated from university D:as soon as he graduated from university 14:her second venture , a software firm , is booming and will soon be ready to _more staff A:get on B:depend on C: put on D:took on 15:there are plenty of _solutions that have been tried and tested successfully in many countries A:off the bean B:on the house C:of the peg D:on the shelf 16:i _educational courses for business and professional men and women in New York since moved there A:conducted B:am conducting C:have been conducting D:will conduct 17:nobody is aware of the problem ,_? A:are they B:and they C:is it D:isn't 18:we should wash our hands relinly to avoid _infected by víues A:be B:to be C:been D:being 19:if they hadn't raissed our awareness of the disease, we _of it as seasonal flu A:would probably think B:would have probably thought C;will probablly think D:will probably be thinking

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