Автобус треть пути проехал со скоростью 20 км/ч, а две трети со скорость 60 км/ч. Найти среднюю скорость.​
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Answers & Comments


Copyright © 2024 SCHOLAR.TIPS - All rights reserved.