Предмет: Математика, автор: kiramix060411

легкие задачи (6 класс)

5. Тетяні 14 років Ользі 6 років через скільки років Тетяна буде вдвічі старша за Ольгу?

6. Син у 3 рази молодший за батька скільки років батькові якщо він старший за сина на 28 років?

Ответы

Автор ответа: momotiukVika

Ответ:

5- через 2 роки

6- 42 роки

Пошаговое объяснение:

3х=х+28

3х-х=28

2х=28

х=14-років сину

14+28=42 роки батьку

kiramix060411: спасибо огромное)

kiramix060411: допоможи будь ласка з рівнянням (зараз)

andriychukyaroslav20: друге не правильно

andriychukyaroslav20: 3x = 27; x = 27 : 3; x = 9 (років) — сину; 27 + 9 = 36 (років) — батькові.

paliypoli04: А 5?

kmaks220211: розвяжіть будь ласка 5 завдання

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