дано куб abcda1b1c1d1 знайдіть відстань між прямими bc і a1d1

A. Поставьте глаголы в скобках в прошедшее время Past Simple (Indefinite): My parents (to live) in a comfortable flat. Last week my wife (to pass) her exam in literature. My daughter (to study) English last year. He (to answer) this question easily. I (to like) this city very much.

Поставьте вопросы к предложениям: Model: His sister watched TV every evening last week (how often). – How often did your sister watch TV last week? And you? How often did you watch TV last week? She played the piano in her childhood (when). I learned German at school (where). My friend paid a lot for his new shoes (how much). He stayed for two weeks at his friend’s (how long). We cooked Spanish food at home (what).

Ответьте на вопрос в отрицательной форме: Model: Did your parents live in this town? – No, they didn’t.They lived in a village. Did you enjoy your stay there? Did he live in a cheap hotel? Did they rent a car? Did she open the door herself? Did you close the window?

радиус окружности с центром в точке о равен 7 см угол бао равен 60 градусов найдите хорду аб