Числовые равенства и их свойства. Урок 2
Прибавь –2022 к обеим сторонам заданных равенств.
a) 2020 + 2 = 2022
2020 + 2 + (
) = 2022 + (
) =
.
b) –(+(+(–(–1)))) + 23 = 22
–1 + 23 + (
) = 22 + (
) =
.
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.