Азот усиливает рост листьев стеблей растений. Рассчитайте массовую долю азота в удобрениях: а) фосфат аммония б) дигидрофосфат аммония

1 окно-3 стекла,10стёкол-?ококн,20стёкол-?окон

решите плиз +лючшее решение

Fill in the gaps with something,somebody,nobody,nothing,everything,everybody,anything,anybody.

1.Look!...is coming!

2. ...liked the new film.It was very boring.

3. Do you hear ...  .

4. I can eat ... in your fridge. i am very Hungry.

5. This party will be very big. I invited... . 

6. He doesn't like ... .

7. ... happened. The police are there.

8. What do you want to eat?- ..., I am not hungry.

9. Does ... live in this house?

уравнение: 
1) x:7,5=8 целых 6/17 
2) 4 целых 1/9:х=7,4 
3) 9 целых 2/11х=10,1