3/7a+2/5=1
Чему равна a?

скласти казку про двох півників хвальків-розбишак

Раскойте скобки, употребляя глаголы в Present Simple, Past Simple, Future Simple. 1. My friend (to go) to the library every Wednesday.
2. He (not to go) to the country yesterday.
3. Why you (to go) to the country  yesterday?
4. We (to grow) tomatoes next summer.
5. Where your father (to work) last year?
6. You (to go) to the south next summer?
7. He (not to watch) TV  yesterday.
8. Yesterday we (to write) a test.
9. I (to buy) a very good book Tuesday.
10. My granny (not to buy) bread  yesterday.
11. What you (to buy) at the shop tomorrow?
12. Your brother (to go) to the country with us next Sunday?
13. We (to cook) jur meals on a fire last summer.
14. My sister (to wash) the dishes every morning.
15. When you usually (to go) to school?