Арифметическая прогрессия задана формулой: an = 3n+5. Найти сумму первых 20 членов этой прогрессии.

вынесите за скобки

(3а(в квадрате) + 12 аб)

1) в каком слове верно выделена буква обозначающая ударный гласный звук? 1) сОгнутый 2) загодЯ 3) шОфер 4) облИлась

1."i  suppose we shall go to the theatre tomorrow ," said Jane.

2." Please don't take the books from my table ," said Lena to me."I have specially  prepared them for working at my report".

3."Don't be afraud ,Nick,"saud his grandfather."This dog is very clever and it won't do you any harm".

4."I shall gladly go to the cinema with you because I haven't seen this film and I want to see it very much,"said my aunt.

Передать предложения в косвенной речи.