tim bieu thuc Q biet rang
\(\dfrac{x^2+2x}{x-1}.Q=\dfrac{x^2-4}{x^2-x}\)

2)bạn dùng đã nghĩ ra cách tính diện tích hình thoi ABCD bằng cách đo độ dài một cạnh AD và độ dài đường cao BH như hình 137
theo em cách làm này của bạn dung có đúng ko ? vì sao ?

Choose the letter A, B, C or D to complete the passage below

The British spend their free time in different ways. People generally use it to relax. But many people also take part (6) _____________ voluntary work, especially for charities.

People spend a lot of their free time in the home, where (7) _______ popular leisure activity is watching television, the average viewing time being 25 hours a week. People often (8)______ programs on video so that they can watch later.

Reading is also a favourite way of spending leisure time. The British ________ (9) a lot of time reading newspapers and magazines.

In the summer gardening is popular. And in winter it is often replaced by “Do-it-yourself”, (10) ________people spend their time improving or repairing their homes. Many people have pets to look after: taking the dog for a daily walk is a regular routine.

Question 8:

A. record

B. scan

C. print

D. power