178. Площадь боковой поверхности пирамиды 32√2 Все двугранные углы при основании равны 45 Найти площадь полной поверхности

наибольшим общим делителем чисел 680 и 612 является число 68

1. Разложим 680 на простые множители:

680  2 * 5682   342   1717   1

Получем разложение на множители 680:

680 = 2 * 2 * 2 * 5 * 17

2. Разложим 612 на простые множители:

612  2306  2153  351 317  17 1

Получем разложение на множители 612:

612 = 2 * 2 * 3 * 3 * 3 * 17

3. Найдем совпадающие множители для 680 и 612:

680 –> (2, 2, 2, 5, 17)
612 –> (2, 2, 3, 3, 3, 17)
Совпадают (2, 2, 17)

4. Произведение множителей совпадающих и является наибольшим общим делителем чисел 680 и 612:

2 * 2 * 17 = 68

Anna: Hello, is that you, Mary? How are you? Why yesterday did not go to class?
Mary: Hi Anna. I felt bad. And couldn't even get up.
A: What happened to you?
M: I don't know. I haven't went to the doctor. I had a high temperature.
A: can you go to institute today?
M: I'm Afraid not. This morning I visit the doctor. I feel that I have a few days to stay in bed. Really sorry we have to miss lectures.
A: Nothing to worry about. Don't have to come if you don't feel. Of course, you need to stay in bed. If you want to borrow my notes. Can I visit you today?
M: Of Course. Come immediately after lessons.
A: I'm Sorry, but after school I have to go to the library to get some books for discussion.
M: don't go to the library. I have many interesting books. You can take any of them.
A: Well. I can come to you on the 41 tram?
M: Yes. But don't come on the tram. Near my house opened a new metro station and takes me all of fifteen minutes to reach the Institute by metro.
A: Very well, but I have to go to College. Yet.
M: see you Then. Don't forget to bring me your notes. Give me a call if you can't come.