Первую половину времени движения автомобиль ехал со скоростью 60 км. ч. вторую - 40 км.ч. чему равен модуль средней скорости движения автомобиля?

1 This year I must ....

2 At school I have to ... but I don't always do it.

3 I am glad I don't have to ... this week.

4 When I was 5 years old I had to ... .

5 When I was in my first year at school I wasn't allowed to ... .

6 I don't have to ... at home.

37+m+56 упростить выражение

план характеристики Мирослави по З.Беркуту. з арабськими та римськими пунктами.Срочно!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!