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tuyettieu203
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Bài 2. Khai triển các biểu thức sau. 1) (x-2)³ 2) (x-3)³ 3) (2x-1)³ 4) (2x-y)³ 5) (x-3y)³ Giúp mình với,không cần chi tiết đâu
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VIII. Fill each blank with a suitable form of the word in brackets to complete the passage below. The population of the world is an ever increasing number. In most parts of the world, the cities are (1) (DENSE) _____________ populated. Moreover, this figure keeps on increasing as people move to (2) (URBANIZE) _____________ areas for jobs and better opportunities. Overcrowding of the cities leads to multiple problems. Often, people have trouble (3) (SEEK) _____________ accommodation; those who do not have sufficient funds have to stay in shanties and slums. Lack of proper living facilities leads to a (4) (VARY) _____________ of health and hygiene problems. Transportation is also affected. (5) (POPULATED) _________________ is a burden upon transport facilities and this is seen in many cities today; (6) (CROWD) _____________ trains, buses and multiple traffic jams. Overall, overpopulation is a strain on the economy and the environment

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