Find the one answer that truly corresponds to the - вопрос №921420 от ketjaan13 16.03.2020 00:48

Question

Другие предметы: Find the one answer that truly corresponds to the original version of the novel: For she could not only sing like a _, or a Mrs. Billington, and dance like Hillisberg or Parisot; and embroider

ketjaan13 · Answer

пусть написали число x

увеличели на 23 (х+23) и

(х-1) второй результат

х+23=(х-1)*7

х+23=7х-7

6х=30

х=5

увеличели на 23 28

уменьшили на 1 4

28:4=7