Предмет: Алгебра, автор: yarmolyuknaste

ОЧЕНЬ НУЖНО РЕШИТЬ ПОМОГИТЕ ПЖ!!!!!!

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Ответы

Автор ответа: надежла

247=100%
22-x%
x=(22*100)/22=8,91
100 - 8,91 = 91,09 приближенно= 91,1

Автор ответа: yarmolyuknaste

А ПЕРВЫЙ МОЖЕШЬ РЕШИТЬ?

Автор ответа: надежла

(b - a)*(b + 2a - 1)

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