Tính giá trị của biểu thức sau T = ( 4 - căn 15 ) . ( căn 2 - ( căn 3) + căn 3 + (căn 5)) ^2

Cho tam giác đều ABC , gọi M là điểm thuộc cạnh BC , gọi EF là chân đường vuông góc kẻ từ M đến AB,AC .Gọi I là trung điểm AM,D là trung điểm của BC a, Tính góc DIE, góc DIF b, CM DEIF là hinh thoi giúp em với ạ em cảm ơn

Tìm GTNN của x ²+6x+17 x ²+12x+37 x ²+18x+100

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VI. Read the passage and circle A, B or C to complete the sentences. (có giải thích) Every summer, Lien and her family go to the countryside to visit her grandmother. Unlike Ha Noi, the countryside is very spacious and peaceful. Because Ha Noi is densely populated, it is always full of noise and traffic jams. The countryside has fewer vehicles than Ha Noi, so there is less pollution. In Ha Noi, some families are wealthy, but some other families still live in poverty. Some people don’t have money to buy food or don’t have accommodation, so they commit crime. Therefore, there are more crimes in Ha Noi than in the countryside. Lien likes living in the countryside more than in Ha Noi. 26. Because Ha Noi is ___________ populated, it is always full of noise and traffic jams. A. densely B. dense C. density 27. The countryside has ___________ vehicles than Ha Noi, so there is less pollution. A. less B. more C. fewer 28. In Ha Noi, some families are wealthy, but some other families still live in _________. A. poor B. poverty C. wealth 29. Some people don’t have money to buy food or don’t have accommodation, so they___________ crime. A. cause B. make C. commit 30. There are ___________ crimes in Ha Noi than in the countryside. A. more B. less C. fewer

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9. Young women, especially those who have a child for the first time, may face depression when balancing the amount of time spent on ___________ and working. A. dividing B. parenting C. lifting D. contributing 10. The government has a ________ to protect the needy in our society and to improve living conditions A. attitude B. routine C. favour D. duty 11. _________ shared parenting helps families become happier and the divorce rate is the lowest. A. equally B. equality C. inequality D. equal 12. My wife handles most of the chores around the house and I'm ________ the household finances. A. responsibility for B. responsible for C. contribute to D. collaborated with 13. I __________ many different countries so far. Last summer I __________ to Italy and 3 years ago I _________ in Spain. A. have visited/ went/ was B. has visited/ went/ was C. have visited/ have gone/ have been D. visited/ have gone/ was GHI ĐÁP ÁN THÔI Ạ

Giúp e vs ạ đang cần gấp ạ. tks.

Giải pt a) 3x -5=13 b) x(x-2)+4x-8=0 c) 3+5/3 < x-1/9

Choose the odd one out A. Toothache B. Cough C. Headache D. Hot