12 13/45-(y-5 17/45)=3 23/45 с проверкой - вопрос №71490241213455174532345 от Шиппер111 24.04.2020 14:27

Question

Математика: 12 13/45-(y-5 17/45)=3 23/45 с проверкой

Шиппер111 · Answer

12 13/45 - y + 5 17/45 = 3 23/4517 30/45 - y = 3 23/45y = 17 30/45 - 3 23/45y = 14 7/4512 13/45 - (14 7/45 - 5 17/45) = 3 23/4512 13/45- (13 52/45 - 5 17/45) = 3 23/4512 13/45 - 8 35/45 = 3 23/4511 58/45 - 8 35/35 = 3 23/453 23/45 = 3 23/45...