Помогите решить уравнение:3а-1:5=а+1:3. Пожалуйста с решением! Зарание спасибо - №30805537

Помогите решить уравнение:3а-1:5=а+1:3. Пожалуйста с решением! Зарание спасибо
- Предмет:
  Математика
- Автор:
  cleopatramvpu
- 6 лет назад

Ответы 1

Ответ:
a=4:15
Пошаговое объяснение:
- Автор:
  natividadholt
- 6 лет назад
- 0
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Упражнение 18. Вставьте глаголы в скобке в Present Continuous.

1. Be quiet! Mum … (sleep). 2. What … you … (do) now? 3. The dog … (play) with a ball. 4. I … (watch) TV. I’m listening to music. 5. The children … (drink) milk in the kitchen. 6. He … (have) a bath. 7. Why … you … (laugh)? 8. His dad and brother __ (cycle) to the shops. 9. We __ (not travel) in Japan. 10. I __ (sunbathe) on the beach. 11. She __ (not watch) TV. 12. They __ (not swim) in the sea. 13. Sue __ (stay) at home today. 14. I __ (watch) a reality show on TV. 15. My favourite team __ (win)! 16. Someone __ (swim) in the sea. 17. Two people __ (cook) dinner on the beach. 18. We __ (not watch) a soap opera. 19. I __ (not do) my homework. 20. Mum __ (read) a magazine. 21. My brother __ (not listen) to the radio. 22. Dad __ (not cook) dinner. 23. Tara __ (talk) by phone. 24. Joe __ (play) on the computer. 25. Who __(watch) TV? 26. Tina __ (do) grammar exercises. 27. I __ (eat) a pizza. 28. We __ (sit) in the classroom. 29. I __ (not write) an email. 30. Amy __ (not go) to school today. 31. We __ (not have) fun today. 32. My team __ (not win) the match. 33. My parents __ (drive) to work now. 34. __ they __ (read) magazines? Yes, they are. 35. __ you __ (learn) English? Yes I am. 36. __ Helen __ (write) a letter? No, she isn´t. 37. __ Sarah __ (play) the guitar? Yes, she is. 38. We __ (not play) basketball. 39. Trina __ (walk) past the supermarket. 40. Where are you? We __ (wait) for you! 41. I´m on a bus and it __ (not move). 42. When __ you __ (come) to see me? 43. I __ (sit) on a bus. 44. Pete´s mother __ (not have) a burger. 45. John´s friends __ (play) football at the Sports Centre. 46. My best friend __ (sit) next to me. 47. I __ (not wear) something blue. 48. My teacher __ (not stand) behind me.

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