Катер проплыл 7 км по течению реки и 24 км против течения той же реки за 1 час 15 минут.Найдите скорость течения реки если собственная скорость катера 26 км/ч.

(2.5*10^12)*(3.2*10^-5)

Передайте следующие предложения в косвенной речи.

1. «Why did our team lose the game?» said Vera. «It has always been very strong.» 2. «Where have you put my book, Mary?» said Tom. «I cannot find it.» 3. «I am very happy,» said Fred. «I have bought a very good bicycle.» 4. «Whom are you waiting for, boys?» asked the man. 5. «I shall not go to the party tomorrow because I don't feel well,» said Mary. 6. «We saw a lot of places of interest when we were travelling around Europe last summer,» said Walter. 7. «I suppose we shall go to the theatre tomorrow,» said Jane. 8. «Please don't take the books from my table,» said Lena to me. «I have specially prepared them for working at my report.» 9. «Don't be afraid, Nick,» said his grandfather. «This dog is very clever and it won't do you any harm.» 10. «I shall gladly go to the cinema with you because I haven't seen this film and I want to see it very much,» said my aunt. 11. «Which of you can answer my question?» the teacher asked the pupils. 12. «Do you think that simple food is better for children than rich food?» she asked