Предмет: Математика, автор: серега500

2(а-3в)+3а+в а-в=4
помогите плиз

Ответы

Автор ответа: ZarinaKS

0

2а-6в+3а+в=5а-5в=5(а-в)=5*4=20

Автор ответа: серега500

0

спс

Автор ответа: серега500

0

я понял уже

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