длинный ветвящийся отросток нейрона

Среди прямоугольников, имеющих периметр 20см, найдите тот, диагональ которого наименьшая.

помощью знаков >,< или =: 7/8 и 3/4; 12/20 и 9/15; 12/24 и 1/2; 5/12 и 3/4

помогите , срочно надо !!! там где много точек надо вставить. 

 Put in myself / yourself / ourselves etc. or me / you / us etc. 

1. Julia had a great holiday. She enjoyed herself.

2. It's not my fault. You can't blame .......   .

3. What I did was very wrong. I'm ashamed of ........   . 

4. We've got a problem. I hope you can help .......  . 

5. 'Can I take another biscuit?  'Of course. Help ........  !' 

6. Take some money with ........  in case you need it. 

7. Don't worry about Tom and me. We can look after  ........    . 

8. I gave them a key to our house so that they could let  ...............      in.

 9. When they come to visit us, they always bring their dog with .......   .