Câu 1 : Thực hiện phép tính :

a) 3,5 + \(\sqrt{\frac{49}{25}-}\sqrt{0,36}\)

Câu 2 : Tìm x, biết :

a) \(\frac{4}{9}\): (x + 0,4)=\(\frac{2}{3}\)

Bài 3 : Tìm x,y biết : 4x=5y và x+y =18

Bài 4 : Thực hiện phép tính :

\(\frac{3}{5}\) - \(\frac{3}{5}\) (\(\frac{4}{3}\)-\(\left(\frac{1}{2}\right)^2\)

\(\sqrt{\frac{9}{100}}\) - \(\sqrt{0,25}+12\)

Bài 5 : Tìm x, biết :

a) \(1\frac{2}{5}\) : \(\left(\frac{2}{3}+x\right)\) = \(\frac{7}{3}\)

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Viết lại câu sao cho nghĩa không thay đổi :

1. I fancy going to the cinema with my friends at weekend.

I am ....................

2. Ann drives very dangerously.

Ann is a .....................

3. It is not necessary for you to finish all your work today.

You don't have ..................

4. How much are these rackets ?

How ,much do ..................

5. What's the matter with your car ?

What ...................

6. My mother can cook very well.

My mother is .................

7. We should get up early everyday

He advised ...............

8. It is twenty five to five.

It is .................

9. Can she take care of her self when her mother is away ?

Can she look ....................

10. They like playing baseball and we do, too.

Both ....................

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