мир и женжина на украинском

Решить неравенства 2х+1 >3+х

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площадь изображения увеличится на 65 см квадратных.Найдите первоначальные размеры телевизионного экрана.

по дороге сделал остановку на 3ч в результате возвратился во столько же времени он потратил как и в первый. Найти скорость"

число задано?

регить в системе. первое уравнение: х+у=7. как записать уравнение: если к каждой цифре прибавить по 2, то получится число, меньше удвоенного заданного числа на 3.

и в итоге удлинился на 6 см. Сколько раз за этот день Буратино соврал?