Câu 1: Rewrite the following sentence wthout changing its meaning
1. The bookstore is to the left of the toy store and to the right of the police station
=> The book store is_____________________________________
2. there is a small garden in my school.
=> My _________________________________________________
3. The book is colorful.
=> It ___________________________________________________
4. Opposite our school there is an art golley.
=> The art gallery _______________________________________
5. This bo has ten packets of tea.
=> There _______________________________________________
6. Do you enjoy reading comie book ?
=> Are _________________________________________________

 

Bài 1: Cho N = \(\dfrac{24}{\sqrt{x}+6}\); M = \(\dfrac{\sqrt{x}}{\sqrt{x}+6}+\dfrac{1}{\sqrt{x}-6}+\dfrac{17\sqrt{x}+30}{x-36}\)

1) Tìm giá trị của N với x = 9

2) Rút gọn M

3) Tìm x để M = \(\dfrac{-4}{3}\)

4) Đặt E = M.\(\dfrac{\sqrt{x}-6}{x+1}\). Tìm số nguyên x lớn nhất để E > 2

5) Tìm số nguyên x để L = N.M có giá trị nguyên lớn nhất

6) Đặt G = M.\(\dfrac{\sqrt{x}-6}{\sqrt{x}+1}\). Tìm GTLN của G

Bài 2: Cho A = \(\dfrac{\sqrt{x}}{\sqrt{x}-2}\)

Tìm x để \(A.\left(\sqrt{x}-2\right)+5\sqrt{x}=x+4+\sqrt{x+16}+\sqrt{9-x}\)