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Решите способом подставки {2х+у=12 {7х-2у=31 Смотреть ответ shawtysao shawtysao Ответ:Объяснение:{2х+у=12{7х -2у =31{4x+2y=24{7x-2y=3111x=55x=52*5+y=1210+y=12y=2Ответ:  (x, y)=(5,2) Новые вопросы в Алгебра 1 Відомо, що а &gt; b. Порівняти і записати у вигляді нерівності а) – 12а і –12b; б) 2,5а і 2,5b; в) 0,1а і 0,1 b. 2. Запишіть нерівність, яку отр … имаємо: а) якщо до обох частин нерівності -1 &lt; 3 додати число 4,5; число -2. б) якщо обидві частини нерівності помножити на число 8; число -5. в) якщо обидві частини нерівності 9 &lt; 27 розділимо на 3; на -1. . Який знак числа а, якщо відомо, що: а) 5а &gt; 3; в) – 6а &lt; 2а; б) 9а &lt; 5а; г) – 11а &gt; – 4а Вопрос на картинке пожалуйста без спама ​ Задание на картинке пожалуйста без спама ​ Задание на картинке пожалуйста без спама ​ Помогите пожалуйста решить примеры со степенями с объяснением Очень срочно нужно Если можно на листочке (не обязательно) Предыдущий Следующий Вместе мы знаем больше Этот сайт использует cookies Политика Cookies . Вы можете указать условия хранения и доступ к cookies в своем браузере. 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