Предмет: Математика, автор: Аноним

ПЖ ответе
;)

1.Какое изданных равенств является тождеством
а)5х+6=3х+6+2х
б)3(а+в)=3а+3в
в)7(х-у)=7х-у
г)4(х+2)=4х+8
д)13у-(у+5)=12у+5
е)3а+(а-9)=4а-9
Поставьте знак "+" , если верно и "-" если не верно

Ответы

Автор ответа: elamanovatomiris11

Ответ:

а)+

б)-

в)+

г)-

д)-

е)+

ТОЧНО ПРАВИЛЬНО,СДЕЛАЙТЕ ОТВЕТ ЛУЧШИМ♡♡♡

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