1850 : 2 = ???
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27 tháng 6 2023
Số học sinh nam là 1850*2/5=740 bạn
Số học sinh nữ là 1850-740=1110 bạn
LD
11 tháng 8 2017
1.Read the following passage, and then tick the correct answers:true(T) or false(F).
The population of the world has increased more in modern times than in all other ages of history. The world's population was about 500 million in 1650. It doubled in the period from 1650 to 1850. In 1986, the population was more than three billion. Estimates based on research by the United Nations in the same year showed that it would be more than 7.5 billion by 2020.
True False
1. The world's population increase in modern times has been greater than ever before. -----True -----
2. The world's population was over a billion in 1850. -----True -----
3. The United Nations carried out the research in 1850. -----False -----
4. The world's population in 1986 was three times as big as that in 1850. ----- True -----
5. The world's population would be more than seven and a half billion by 2020. ----- True-----
NA
11 tháng 8 2017
Bài Làm .
1.Read the following passage, and then tick the correct answers:true(T) or false(F).
The population of the world has increased more in modern times than in all other ages of history. The world's population was about 500 million in 1650. It doubled in the period from 1650 to 1850. In 1986, the population was more than three billion. Estimates based on research by the United Nations in the same year showed that it would be more than 7.5 billion by 2020.
True False
1. The world's population increase in modern times has been greater than ever before. -----True -----
2. The world's population was over a billion in 1850. -----True -----
3. The United Nations carried out the research in 1850. -----False -----
4. The world's population in 1986 was three times as big as that in 1850. ----- True -----
5. The world's population would be more than seven and a half billion by 2020. ----- True-----
925