А) х^2 + 4х - 21 = 0; б) 7х^2 - 4х - 3 = 0; в) 2х^2 - 2х - 1 = 0.
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.