система:
x+y=200
1.3x+1.2y=255
решите плиз

Внешние углы в двух вершинах треугольника равны 110градусов и 160градусов.Найдите каждый угол треугольника. Помогите буду блогодарен.

сочинениенатему день благодорения в sha 6 класс 1 страница

1.I (to go) to bed at ten o'clock every day. 2. I (to go) to bed at ten o'clock yesterday. 3. I (to go) to bed at ten o'clock tomorrow. 4. I (not to go) to the cinema every day. 5. I (not to go) to the cinema yesterday. 6. I (not to go) to the cinema tomorrow. 7. You (to watch) TV every day? 8. You (to watch) TV yesterday? 9. You (to watch) TV tomorrow? 10. When you (to leave) home for school every day? 11. When you (to leave) home for school yesterday? 12. When you (to leave) home for school tomorrow? 13. My brother (to go) to work every day. He (to leave) home at a quarter past eight. As the office he (to work) at (to be) near our house, he (to walk) there. He (not to take) a bus. Yesterday he (riot to go) to work. Yesterday he (to get) up at nine o'clock. 14. You (to have) a PT lesson yesterday? — No, I... . 15. What you (to buy) at the shop yesterday? -I (to buy) a book. 16. Yesterday my father (not to read) newspapers because he (to be) very busy. He (to read) newspapers tomorrow.

Допишите 5 определений Счастья Семьи Семья будет счастлива если...