Спростіть вираз
х-(18-х)+(-9-х) знайдіть його значення при х=27

На уроке природоведения.Запишите значение нескольких терминов из курса природоведения.помогите плиз!!

Complete the sentences with a question...

1) I go to school

2) Dima went to Kyiv yesterday

3) We are writing a dictation now

4) My friends have won a competition

5) My mother had bought a costume

6) They wont go to Moscow tomorrow

7) He is not reading now