200+(b+400)=1000
b+400=1000-200
b+400=800
b=800-400
b=400.
Жауап: b=400.
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
200+(b+400)=1000
b+400=1000-200
b+400=800
b=800-400
b=400.
Жауап: b=400.