Предмет: Математика, автор: mirabojchun

Помогите пожалуйста срочно:
Серед поданих рівностей обери тотожності

1)5х + 2х + 1 = 8х
2)b + (–b) = 0
3)3х + у = 3(х + у)
4)2(а – 3) = 2а – 6

Ответы

Автор ответа: arsenagent000

1

пж дайте балов и поставьте лайков пж пж пж

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