Предмет: Алгебра, автор: Bestbrat

Спростiть вираз будьласка

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Автор ответа: mashhryl

0

отметь как лутшее прошу тебя пожалуйста я очень старалась

ответ: = 49а2-42а+9+49+42а+9а2=58а2+58

спасибо

Автор ответа: vityamath

0

Решение на фотографии.

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