Упростите выражения!!!!!!!!!!!!!!!!!!!!!

Question

Упростите выражения!!!!!!!!!!!!!!!!!!!!!

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Comments

2 надо?

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Да

Answer 1

Ответ:

⬆️1) 2b

3à-3b

2) 3n

m+n

3) y

x

4) 4+x

2x

5)2a²-a-3

a-1

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