решите Дано: отрезки А1А2, В1 В2,С1С2 не лежат в одной плоскости и имеет общую середину - точку О Доказать: A B1C1 II A2B2C2​

gprs is the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who

Объяснение:

gprs is the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the first of the people who are not in the