Вопрос по физике:

Велосипедист, двигаясь с постоянной скоростью, за 20 минут проехал 6 км. С какой скоростью двигался

Вопрос по истории:

Вопрос по литературе:

Вопрос по математике:

Вставить пропущенные слова в английском Although his characters are imaginary it always seems that they live.... real life. ....the beginning of the year they made a trading expedition......Africa.Crusoe left....saying good-bye to anyone...his way...London he had his first experience...a shipwreck.The ship ran...a rok and broke....pieces.The sailors were swallowed...the sea.

Вопрос по математике:

 Fill in the prepositions where it is necessary.

This writer is known all ... the world. Many people are fond ... his books. I read one of his novels ... a month ago. He tells his stories ... such a way that you remember them ... a long time. Although his characters are imaginary it always seems that they live ... real life. ... the beginning of the year they made a trading expedition ... Africa. Crusoe left ... saying good-bye to anyone. ... his way ... London he had his first experience ... a shipwreck. The ship ran ... a rock and broke ... pieces. The sailors were swallowed…the sea