ЕГЭ математика. Как считать без калькулятора?

Анна Малкова November 10, 2014
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🔴 Бесплатный курс "ПУСК" — вся 1 часть за 6 часов: https://vk.com/app5898182_-37711765?&utm_source=youtube&utm_medium=old_video#s=2377981 🎁Годовые курсы ЕГЭ и ОГЭ, олимпиадные курсы, марафоны, комплекты со скидками для старшеклассников и преподавателей: https://shop.ege-study.ru/matematika/?&utm_source=youtube&utm_medium=old_video ⭐Доступ на годовой курс: https://vk.com/app5898182_-37711765?&utm_source=youtube&utm_medium=old_video#s=1905600 Справочник, который готовит тебя на 80+: https://ege-study.ru/spravochnik-anny-malkovoj/?utm_source=youtube&utm_campaign=old_video Напиши бесплатный пробник с проверкой: https://ege-study.ru/online-repeticionniy-matematika?utm_source=youtube&utm_campaign=old_video Набор на групповые (до 8 человек) очные курсы 2023 года: https://kursy.ege-study.ru/?utm_source=youtube&utm_campaign=old_video День открытых дверей, каждую субботу в 12:00: https://ege-study.ru/den-otkrityh-dverej/?utm_source=youtube&utm_campaign=old_video «Индивидуальный» тариф по математике: https://shop.ege-study.ru/matematika/?utm_source=youtube&utm_campaign=old_video ОНЛАЙН КУРС 100 БАЛЛОВ ЕГЭ-2023 ПО МАТЕМАТИКЕ: - Для 11-классников: https://shop.ege-study.ru/matematika/onlajjn-kurs-matematika-1011-klass-2123-g_93/?utm_source=youtube&utm_campaign=old_video - Для 10-классников: https://shop.ege-study.ru/matematika/onlajjn-kurs-matematika-profil-10-klass-2223_127/?utm_source=youtube&utm_campaign=old_video - Для преподавателей математики: https://shop.ege-study.ru/matematika/onlajjn-kurs-matematika-profil-dlja-prepodavatelejj-2123_99/?utm_source=youtube&utm_campaign=old_video ВИДЕОКУРСЫ по профильной Математике: Видеокурс по параметрам - 17 задание https://shop.ege-study.ru/matematika/videokurs-parametry-zadanie-17_74/?utm_source=youtube&utm_campaign=old_video Видеокурс по задаче на числа и их свойства - 18 задание https://shop.ege-study.ru/matematika/videokurs-matematika-zadanie-19_14/?utm_source=youtube&utm_campaign=old_video ОНЛАЙН КУРСЫ ЕГЭ 2023 НА 100 БАЛЛОВ ПО: Русскому языку: https://shop.ege-study.ru/russkijj-jazyk-i-literatura/?utm_source=youtube&utm_campaign=old_video Физике: https://shop.ege-study.ru/fizika/?utm_source=youtube&utm_campaign=old_video Информатике: https://shop.ege-study.ru/informatika-2/?utm_source=youtube&utm_campaign=old_video Рассылка лайфхаков и бесплатных курсов: https://ege-study.ru/free/?utm_source=youtube&utm_campaign=old_video Горы бесплатных материалов тут: https://ege-study.ru/ru/ege/materialy/?utm_source=youtube&utm_campaign=old_video Образовательная компания ЕГЭ-Студия: Наш телеграмм✈️: https://t.me/egestudiya/ Наш сайт📙: https://clck.ru/wH4WY Наша группа Вконтакте📘: https://vk.com/malkova_ege Наш Instagram📸: https://www.instagram.com/egestudy/ +7 (495) 984 0927, +7 (800) 775 0682 (бесплатный звонок по России) г. Москва, м. Пушкинская/Чеховская/Тверская, ул. Петровский бульвар д. 15 #егэ2023 #математикаегэ #егэ 0:10 - примеры вычислений 6:58 - таблица квадратов 7:19 - Как легко и без калькулятора возводить в квадрат двузначные числа Начнем с главного правила: если какое-то уравнение можно упростить, то обязательно упростите его, например – сократить. Умножение в столбик – это очень нелюбимое всеми вычисление и многие выражения можно вычислить, не прибегая к нему. Например, умножение трехзначного числа на однозначное (385*7), для этого следует разложить число на сотни, десятки и единицы, поочередно перемножить и сложить. Итог получается таким же, но сам процесс вычисления намного быстрее и проще. Примеры могут быть совершенно разными, нужно раскладывать таким образом, чтобы облегчить расчеты. Деление. Очень много ошибок связано с дробями. А наиболее обидно, когда такие ошибки допускают в части С. Самая распространенная ошибка – составление двухъярусных дробей, в которых очень легко запутаться и совершить ошибку. Поэтому, таких моментов стоит избегать и при делении дробей: записывать две дроби в строку со знаком деления, затем, у делителя менять местами числитель и знаменатель, заменяя знак деления на умножение, т.е. получаем одну дробь. Если можно сократить что-то, обязательно сокращайте, так как калькулятором на экзамене пользоваться нельзя. Для того, чтобы найти делитель числа, есть правило: если сумма цифр числа У делится на какое-то число Х, то и само число У делится на Х. Важно помнить, что в части В не могут получиться в ответах иррациональные числа. Это очень помогает в качестве самопроверки перед записью ответа. Возможно вы так же искали: https://www.youtube.com/watch?v=uOmLu0OhSWE - ЕГЭ математика. Задачи на работу. https://www.youtube.com/watch?v=BWWHhBLeRzY - ЕГЭ 2016 математика. Какие изменения в ЕГЭ 2016. https://www.youtube.com/watch?v=gOuxtPsqXCQ – ЕГЭ математика. Объем и площадь поверхности многогранников. https://www.youtube.com/channel/UC7ka_HsCURCtX2uFsPKXhXQ - Подписаться на канал!

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