Nhận xét về cuộc khởi nghĩa ngày 18-3-1871 ở Paris

tính bằng cách thuận tiện nhất:2/5+4/5+6/5+8/5+......+18/5+20/5

Giúp với ạ Hoàn thành PTHH sau theo chuỗi phản ứng S➩SO₂ ➩SO₃➩H₂SO₄➩MgSO₄ SO₃➩K₂SO₄➩KCl ​

jhjhjhjhjhjhjhjhjhjhjhjhjhjhjhjhjhjhjhjhjhjhjhjhjhjhjhjhjhjhjhjhjhjhjh

($x$ + $2y$) $^{2}$ ( $2x$ - $1$) $^{2}$ Làm theo dạng bình phương của một tổng/ hiệu

EXERCISE 2: Fill in each blank with a suitable word to make meaningful sentences. complex|ailments|acupressure|advisable|affect acupuncture|allergy|capability|aromatherapy|alternative 1. He is showing his _______of being a strong and secure president through these troubled times. 2. Aging is an intricate,_________process that involves many areas of your body. 3. With stress so much a part of modern life, a weekly oil massage and relaxing_________can be beneficial for children. 4. Peanut flour is a cheap and quick____________method for thickening dishes. 5. A food__________________occurs when the immune system mistakenly believes that a harmless substance is harmful. 6. Since then, science, health, medicine and technology - and how they_________how we all live - have become central themes on the programme. 7. They work directly on the body's__________points to relax the nervous system. 8. The Chinese healing art of is ___________one that can be dated back at least two thousand years. 9. The courses at present are heavily booked so it is_________to put your name down early. 10. Patients with diabetes can develop other___________such as heart or kidney disease. EXERCISE 3- Fill in each blank with the synonym of the underlined word in each sentence. suggested|complicated|influence|illness hypersensitivity|ability|choice 1. ________________She could win the competition – she certainly has the capability. 2. ________________Features of financial products are becoming far too complex for the common man. 3. ________________Organisers have also made sure there will be alternative traffic routes available. 4. ________________Research from the United States suggests that the neighbourhood you live in can affect how well your children perform at school. 5. ________________It is not advisable to let young children out at night and they should always be supervised whenever possible. 6. ________________There is an increase in respiratory ailments, flu and accidents due to the bad weather. 7. ________________You might have a stuffy or runny nose because of a cold, the flu or seasonal allergies.

Nguyen tu nguyen to x co tong so hat co ban la 82 trong do so hat khong mang dien nhieu hon so hat khong mang dien la 2 tinh so hieu nguyen tu so khoi ki hieu nguyan to so luong cac hat trong x

1+2+3+4+5+..........+30+31+32 nhớ giải thích đầy đủ nhs

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cho hàm số bậc nhất y = ax - 3 Tìm a biết rằng khi x = 4 thì y = 2 hàm số này đồng biến hay nghịch biến trên tập số thực R