найдите среднее арифметическое чисел 3508 3499 3511 3506

 

Предлоги.

1. Mrs. Grant has bought ( to \ off \ up) seven children

2. Jane has lost her glasses and now she is looking ( for \ at \ after)

3. They got  ( on \ off \ from) the bus and walked a few blocks

4. Who does this handbag belong ( to \ for \ at)

5. Take( off \ on \ of) your coats . It's warm in here.

6. Have you read any books ( of \ by) Thackeray?

рекламный щит имеет форму прямоугольника площадью 9 м2 .как сделать периметр наименьший?