Решите систему уравнений методом сложения: а) x+y=7,x-y=1
б) 2x-3y=1,3x+y=1
в) x+5y=7,3x+2y=-5
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.