ủa gì vậy

Australia is a country comprising the mainland of the Australian continent, the island of Tasmaniaand numerous smaller islands. It is the world’s sixth-largest country by total area. Australia’s capital isCanberra, and its largest urban area is Sydney.
For about 50000 years before the first British settlement in the late 18th century, Australia wasinhabited by indigenous Australians, who spoke languages classifiable into roughly 250 groups. After theEuropean discovery of the continent by Dutch explorers in 1606, Autralia’s eastern half was claimed byGreat Britain in 1770 and initially settled through penal transportation to the colony of New Wouth Walesfrom 26 January 1788. The population grew steadily in subsequent decades, and by the 1850smost of thecontinent had been explored and an additional five self-governing crown colonies established. On 1 January1901, the six colonies federated, forming the Commonwealth of Australia. Australia has since maintained astable liberal democratic political system. The population of 24 milion is highly urbanized and heavilyconcentrated on the eastern seaboard.Australia has the world’s 13th-largest economy and ninth-highest per capita income (IMF). With thesecond-highest human development index globally, the country ranks highly in quality of life, health,education, economic freedom, and civil liberties and political right

.Question 26. How many groups of languages were spoken by Australians before the 18th Britishsettlement?

A. 500 B. 250 C. 240 D. 300

Question 27. Which group of European people discovered the Australia continent?

A. The Australian B. The British C. The Welsh D. The Dutch

Question 28. The political system of Australia is __________.

A. unstable B. urbanized C. democratic D. republic

Question 29. Which of the following statements is NOT true?

A. The Australian continent, and many islands make up Australia.

B. Sydney is the world’s largest urban area.

C. The quality of life, health and education of Australia is good.

D. The eastern seaboard is an area of dense population

.Question 30. What is the purpose of this passage?

A. To explain why Australia is a developed country

B. To explain why Australia’s population is increasing

C. To present overall information of Australia

D. To present the history of Australia

 

Bài 1:Hình thang ABCD có AD=4cm,CD=6cm,đường trung bình bằng 5cm.Tính diện tích lớn nhất của hình thang.

Bài 2:Cho tứ giác ABCD có diện tích S.Điểm M là trung điểm của AC.Chứng minh rằng S_ABCD=1/2S

Bài 3:Cho hình vuông ABCD có đường chéo bằng 4cm.Trên đường chéo AC lấy điểm M sao cho AM=1cm.Qua M kẻ các đường thẳng vuông góc với các cạnh của hình vuông, chúng cắt AB và CD ở E và F, cắt AD và BC ở G và H.Tính diện tích 2 hình vuông nhỏ.

GIÚP MÌNH VỚI,SẮP NỘP RỒI!!!

Cho hình thang ABCD,các cạnh bên AB và CD kéo dài cắt nhau tại M.Biết AM/AB=5/3 và BC=2 cm.Tính độ dài AD?

80-33=56

đáp số :56

thử lại:

80:56=1 (dư 33)