Tìm số tự nhiên n để phân số 10n+3/5n-1 đạt giá trị lớn nhất. Tìm giá trị lớn nhất đó.

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We will use less electricity in the future. 🡪 Less electricity …………………………................................................................................... 2. The students in my school will use public transport when travelling long distances. 🡪 Public transport.......................................................................................................................... 3.I will turn off the lights when leaving a room or going to bed. 🡪 The lights…………………………………………..……………..………….……..…….. 4. Wind power will offer a great deal of energy next century. 🡪A great deal of energy ……………………………………………………………………. 5. We will use sources of energy more effectively for our future. 🡪 Sources of energy …………………………………………………...…………………… 6. People in the countryside will increase the use of biogas for cooking. 🡪 The use of biogas ………………………………………………………………….… 7. They will build a hydropower station in the North of the country next decade. 🡪 A hydropower station …………………………………………………...…………………… 8. We will solve the problem of energy shortage by using solar energy. 🡪 The problem of energy shortage ……………………..…………………………………… 9. People in the countryside will use much biogas in the future.-> Much biogas.................... 10.Our roof will be fixed tomorrow. 🡪 They………… 11.They will show flying cars to the public when they finish it. 🡪 Flying cars ………… 12.They will install solar panels on the roof of our house next week.🡪 Solar panels …… VI.Complete the following passage with A, AN, SOME, ANY, ANYTHING. My mother and my father is going to the opera.Iam going to cook ……….. meal. I have …… rice but I do not have ………… beef. I need………………….. cooking oil and ………. eggs. In the fridge, I have orange juice and very apples. That is all. I do not need ………. else. VI.Write about from 80🡪 100 words about the festival which you attended