Предмет: Алгебра, автор: marinenenene

Номер 21 с объяснениями пж СРОЧНОО

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Автор ответа: Аноним

Поскольку надо найти эф от 1/2, а

0≤1/2 ≤1, то

применим первую формулу, а именно (1/2)²=1/4

Верный ответ 1/4

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