16 con bò

Lần sau đặt đúng lớp nha

We usually take a bus to school, but this week we are going by car

Lần sau đừng đăng như vậy bn nhé

Rewrite the sentences in passive voice:

1. I clean my room every day

-> .................................................

2. Tom bought a nice present yesterday

-> ...................................................

3. Ann will sing a beautiful song

-> ..................................................

Thực hiện phép tính (tính nhanh nếu có thể):

\(\dfrac{4^{20}-2^{20}+6^{20}}{6^{20}-3^{20}+9^{20}}\)

Thực hiện phép tính (tính nhanh nếu có thể):

4) \(4\cdot\left(\dfrac{-1}{2}\right)^3+\left|-1\dfrac{1}{2}+\sqrt{\dfrac{9}{4}}\right|:\sqrt{25}\)

5) \(\left[6-3\cdot\left(\dfrac{-1}{3}\right)^2+\sqrt{\dfrac{1}{4}}\right]:\sqrt{0,\left(9\right)}\)

Thực hiện phép tính (tính nhanh nếu có thể):

a) \(\left(\dfrac{1}{2}-\dfrac{1}{3}\right)-\left(\dfrac{5}{3}-\dfrac{3}{2}\right)+\left(\dfrac{7}{3}-\dfrac{5}{2}\right)\)

b) \(\left(\dfrac{3}{4}-1\dfrac{1}{6}\right)^2:\sqrt{\dfrac{25}{144}}\)

Giúp mk với ah

You are going to learn about the present perfect tense and how to express and justify opinions. 
You are then going to use these to write a paragraph describing how technology has changed your culture.