Предмет: Математика, автор: Аноним

Помогите! буду очень благодарен

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Автор ответа: VоЛk

1

3-е)угол DAB=DAC+CAB=46+23=69°
Сума соседних угол параллелограмма 180°,т. е. больший угол=180-69=111°
4-е)Ответ: 3,поскольку это формула квардат разницы, а 8*18=144=12^2, и все остальное торце рациональное

Аноним: Огромное спасибо)))Я тя люблю

Автор ответа: shipilova29100p8ilt5

1

Надеюсь всё понятно.

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Аноним: Тоже, спасибо большое)

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