мастер за 1 час изготовлен 48 деталей,
а его ученик - 22 детали . За какое время,
работая вместе, они изготовят 280 деталей?
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Answers & Comments


Copyright © 2025 SCHOLAR.TIPS - All rights reserved.