напишите уравнения реакций, при помощи которых можно осуществить превращения Fe FeSO4   Fe(OH)2   Fe(OH)3   FeCl3    Fe(OH)3

Задание брата, совсем запуталась как делать.

Нужно открыть скобки.

1) Sam (to like) sports. He (to go) to the swimming pool every day. What he (to do) now? I think he (to swim) now. 

2) We usually (to have) breakfast at 8 o'clock. It's Saturday today. It's 9 o'clock. We (to have) breakfast now.

3) Little Liz (to clean teeth, to wash hands and face) every morning. Where (to be) she now? She (to take a shower).

Помогите,числа на которые делится 120 без остатка