Предмет: Математика, автор: kozunenkomaria0

упростить выражения даю 10​

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Автор ответа: abama01
1

1)79-(20+9а)+(11а-122)=79-20-9а+11а-122= 2а-63

2)-(b+40)+(28-19b)+11b= -b-40+28-19b+11b= -9b-12

Автор ответа: Foisa
0

Ответ:Вот ответ,Очевидно какой где

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