Предмет: Алгебра, автор: druzinskasofia

помогите очень надо...​

Приложения:

Ответы

Автор ответа: ValeraMarmeladze
0

Ответ:

1) 3а²b-a²b

Объяснение:

2)2x²+x-3

3)19a-14b-3c

4)-a⁴+7a²b²-3ab³

ValeraMarmeladze: это же сократить надо было? просто я не особо украинский понимаю...
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