a · b =b · a,
a · (b · c) = (a · b) · c,
a · (b + c)= a · b + a · c,
a · (b – c) = a · b – a · c.

a · 0 = 0 · a = 0;
à · 1 = 1 · à = à
пожалусто очень срочно надо!!!!!!!!!!
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Answers & Comments


Copyright © 2024 SCHOLAR.TIPS - All rights reserved.