Read the words silently and find one word that is - вопрос №1009240 от Ваняобана 07.03.2021 08:00

Question

Другие предметы: Read the words silently and find one word that is pronounced with the diphthong [ai]. Then write out the words that are pronounced with a short [i] sound and which are pronounced with

Ваняобана · Answer

Sn=2a1 + d(n--1)/2   *n S{20) = 26+ (--13) *19 /2  * 20S= 4420//2 = -- 2 210...