cl2 => hcl=> h2 => h2o=>hno3=>hn4no3 осуществите превращения

Найдите вписанный угол опирающийся на дугу которая составляет 20 процентов окружности ответ запишите в градусах

а)2 1/3 - 1 1/2

б)4 1/5 - 2 3/10

в)7 1/9 -4 1/3

г)2 2/7 - 1 3/5

д)6 1/4 -3 2/5 

е)4 1/6 - 1 2/3

Известие - фонетический разбор слова и определить позиций. Помогите пожалуйста именно опредилить позиций)))))

Раскройте скобки , употребляя глаголы в одном из следующих времен : Present Continuous, Present Indefinite, Past Indefinite или Future Indefinite . 1) He ( to spend) last summer in the country. 2) He ( not to spend) last summtr in the country. 3) He ( to spend) last summer in the coutry ? 4) Where he ( to spend ) last summer ? 5) She ( to help ) mother yesterday . 6) She ( not to help ) mother yesterday . 7) She ( to help) mother yesterday ? 8) How she (to help ) mother yesterday ? 9) Kate ( to cook) dinner every day . 10) Kate ( to cook ) dinner tomorrow . 11) Kate ( to cook ) dinner now . 12) Kate ( to cook) dinner yesterday . 13) I (not to eat ) ice-cream every day . 14) I ( not to eat ) ice-cream now . 15) I (not to eat ) ice-cream tomorrow . 16) I (not to eat ) ice-cream yesterday . 17) You ( to go) to school every day ? 18) You ( to go ) to school now ? 19) You (to go ) to the south next summer ? 20) You (to go ) abroad last summer . 21) What your brother ( to do ) every day ? 22) What your brother (to do ) now ? 23) What your brother ( to do ) tomorrow ? 24) What your brother ( to do ) yesterday ?