Назовите вещества: 1)сн2=с=сн2
2) сн3-сн=сн-сн2-сн=сн-сн3
3)сн2=сн-сн2-сн=сн-сн2-сн3
4)сн3-с(сн3)=сн-с(сн3)=сн-сн(сн3)-сн3
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Copyright © 2024 SCHOLAR.TIPS - All rights reserved.