5 насосов за 3ч.откачали 1800 м3 воды.найдите объем воды, которую могут откачать 4 таких же насоса за 4 ч.
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.