CM \(\left(4+\sqrt{15}\right)\left(\sqrt{10}-\sqrt{6}\right)\left(\sqrt{4}-\sqrt{15}\right)=2\)

\(\sqrt{x^2+6x-3}\)= \(x-3\)

Chọn dấu (>;< ) hoặc (= ) thích hợp rồi đặt vào ô trống:

71 : 1  70

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks.

        Everybody has heard about the Internet, do you know what an “intranet” is? It is this: just as the Internet connects people around the world, intranets connect people within a single company. In fact,

intranets make use of the same software programs as the Internet to (34)_____computers and people. This means that you do not have to buy a lot of additional programs to set up an intranet service. If your intranet is working properly, it can link together a huge amount of (35)______which is stored in different

places in the company. In this way, people can get the information they need, regardless (36)_____where it comes from. A company intranet can, of course, be used for unimportant information like office memos  or canteen menus. But an intranet should provide important information which people need to make decision about new products, costs and so on. The intranet is (37)_______to share their information with other people. Unfortunately, many departments don’t want to share their specialist knowledge with others. Another problem (38)____often occurs is that top managers like to use the intranet to “communicate down” rather than to “communicate across”. That is, they use the intranet to give orders, not to share information between themselves and others working in the same organization.

Điền vào ô 35.

A. information

B. properties

C. elements

D. parts

Tìm x biết:  2 x − 3 2 = 49 25

Tìm x biết:  2 x + 1 2 = 25