найдите большее из трех последовательных натуральных чисел , сумма квадратов которых равна 1730

в 6а классе учеников на 25% больше чем в 6б,когда трех учеников перевели в 6б,то количестно учеников стало в обоих классах равным.Сколько учеников было в каждом классе

Помогите решить уравнение по алгебре!!! (Тема квадратные уравнения). Четыре икса означают икс в четвёртой степени. Два икса икс в квадрате.

7xxxx+2xx-9=0

Зарание СПАСИБО!!!

What Ann says is true. Agree with her.
I have never met this man.
Pete has just been to America.
Polly has already bought a new picture.
We have not seen our uncle for ages.
You have not read this book yet.
They have already built a new bridge.
 

What Bob says is not true. Disagree with him.
 

With have already built two bridges over rhe river.
He has already read the next.
She has already bought a lot of food.
We have beeen to South America.
She has not met her boss yet.
We have seen a very interesting film.