Объяснение:
(а+3b) ^2-(3a-b) ^2=а+6b-3a+2b=8b-2a
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Объяснение:
(а+3b) ^2-(3a-b) ^2=а+6b-3a+2b=8b-2a