Вычислить:
1) 79*81;
2) 73² - 63².

Упростить и найти значение выражения:
а² + 2а + 1, если а=89.
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.