Предмет: Математика, автор: kamilameksun90

помогите пожалуйста!!!

Приложения:

Ответы

Автор ответа: anzelikabojkova19

0

Ответ:

а) 4 -2а/ 0

б) 2х -1 / х² - 0

Пошаговое объяснение:

а) 2+2 = 4 , - а - а = 4-2а

2-2 = 0 , а+ -а = а- а

0-0

б

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