Задача Задача №3371324
А
А
56·58
3248
Reason: 56 and 58 are (57−1) and (57+1). So (57−1)(57+1) = 57^2 − 1 = 3249 − 1 = 3248.
Мобильные приложения
3248
Reason: 56 and 58 are (57−1) and (57+1). So (57−1)(57+1) = 57^2 − 1 = 3249 − 1 = 3248.
Мобильные приложения