упростите выражение -2,5a*4b и найдите его значение, при a=5/6, b=-1 1/5

Present Continuous

Употреби форму настоящего времени продолжительного действия глаголов, заключенных в скобки:

1. Listen! I think the telephone .................................................. (ring). 2. Mrs. Smith ..................................

................ (play) the piano in the hall. 3. Grandmother .................................................. (have) rest in her bedroom. 4. Be quiet, I .................................................. (think). 5. Jane ....................................................... (not work), she .................................................. (read) a book. 6. I see that you ..........................................

.......... (wear) your new skirt today. 7. Jack is not in his room, he .................................................. (have) a bath. 8. I .................................................. (wait) for my boss. 9. Who ........................................................... (make) that terrible noise? – It’s Roger. He .................................................. (practise) the violin. 10. I am busy, I .................................................. (write) a letter. 11. It .................................................. (snow), put on your coat. 12. The plane .................................................. (fly) at 3,000 metres.

Помогите пожалуйста написать сочинение на тему: моя любимая развивающая игрушка" логический шар" в который вставляются фигурки