Предмет: История, автор: citilov18

10
ДОМАШНЕЕ ЗАДАНИЕ
Упрости выражения.
Найди значения при а = 3, b = 2, X = 4.
(a + b) - 5+ 9а + ЗЫ
13 - (a + b) — 7b + 4а
6. (х+а) – 5а
30х — (5х + 4х) СРОЧНО ДАМ 100 БАЛЛОВ!!!!!!!​

ht0y1: что за ы?

Ответы

Автор ответа: ht0y1
1

Ответ:1=30

2=6

3=21

4=84

причём сдесь история?

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