Предмет: Алгебра, автор: Аноним

АЛГЕБРА СРОЧНО ПОЖАЛУЙСТА

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Ответы

Автор ответа: natalyabryukhova

Ответ:

Объяснение:

Произведение положительно, если оба сомножителя имеют одинаковый знак, т.к. произведение двух положительных или двух отрицательных чисел всегда положительно.

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