Сколько существует на координатной прямой пар точек, удалённых на одно и то же расстояние от точки м(50), координаты которых – нату-
ральные числа? Назовите координаты пары ближайших точек и пары най-
более удалённых точек. Проиллюстрируйте свои рассуждения схематиче-
Ским рисунком.сколько пар
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Modern life is impossible without travelling. People are travelling because of different reasons and they travel by different vehicles. 
People travel by planes(whis is the fatest and the most expensive way), by trains(it is slowest way, but you can see all the beauty of the streets and landscapes). Speed, comfort and safety are the main advantages of trains and planes. That is why many people prefer them to all other means.
Of course some people prefer to travel by sea. Small boats and big ships - that's all for people pleasure. Travelling by car is perfect for curious people because they'll have enough time to explore area. One more way to travel is hiking which means free tour by your own foot. 
The Black Sea is wonderful area to give yourself some rest, You can find here anything you need: house for rent, sanatoriums and tourist camps, you can rent room too. 
 Ну, вышло 11. Но это же ничего?

My favorite day is Sunday. In the morning I wake up and go to breakfast. Then I call a friend and we go for a walk. If the weather is bad, I'm sitting at the computer or reading. When I sit at my computer I watch the video, keep in touch with friends. And I listen to music. And I love to read novels, detective stories, novels. When I'm rested, I'm going to eat.
Sometimes my family and I go to the cinema or cafe.
Towards evening I begin to do homework. Then I'm going out for dinner.
After I'm going to shower and go to sleep. For voskresshie I have time to relax and recharge. I love Sunday!