Предмет: Геометрия, автор: diaaaanaaaaaaa

Геометрия 9 класс!!! Помогите!!!!

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Автор ответа: deingott

0

По правилу треугольника: DB = CB - CD

По правилу параллелограмма: CA = CB + CD

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You have probably of Alexandria. That city was by Alexander the Great.* It was famous for its librarya that housed 5'000'000 manuscripts, and, of course, for its lighthouse.
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