Помогите пожалуйста решить примеры :Примеры; 20) 4a/9 - 1=5a/12; 21)3(1-x)+5(x+2)=1-4x.
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Copyright © 2025 SCHOLAR.TIPS - All rights reserved.