у2+10у+25-х2=?

4z2+4uz+u2-16=?

81-9x2-6xy-y2=?
Помогите, очень при очень срочно
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Answers & Comments


Copyright © 2025 SCHOLAR.TIPS - All rights reserved.