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Hoang819
2 năm trước
$So$ $sánh$ $A=$ $\frac{2018^{2018}+1}{2018^{2019}+1}$ $với$ $B=$ $\frac{2018^{2019}-2}{2018^{2020}-2}$
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I.Read the text, and decide whether the statements are True or False. Worker robots are becoming more popular in industries. Nowadays they can do more difficult jobs in many factories. The use of robots helps factories increase the quality of their products because robots can do the job well for many hours while humans can gettired and bored. Engineers can make robots more effective and useful at home, at school, and at work. However, a robot uses on average about 100 more times energy than a human to do the same job. The latest 20 kg robot can lift 2 kg, but a 5 kg human arm can lift 50 kg. True False 1.Factories are using more robots. o o 2.The use of robots helps make the quality of the products better. o o 3.Robots play an important role at homes, at schools, and in offices. o o 4.For the same job, a robot uses the same amount of energy as a worker does. o o 5.With the same weight, a robot lift things heavier than a man can do. o o

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