написать 6 предложений со словами Could you, Can you

1) AgNO3+KBr=

2) Cu(OH)2+HNO3=

3) CaCO3+HCL=

9,14х - 7,89х = 1
Решите пожалуйста 

в коробки разложили конфеты по 15кг и по 16кг . Можно ли отправить в магазины 140 кг конфет не открывая коробок.

We went back to scool on the first of September.Our new shool building looks nice. We have a new computer room this year.We will have our Computer Studies lessons there.

I am good at learning English,but I have difficulties with maths.This year I am going to work hard at all school  subjects.What do you think of school?

This is a picture of me in my school uniform.Do you wear a uniform?What is it like?

Please write me soon and tell me about your school.I am looking forward to hearing from you.

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