em cần cấp ạ, nhờ anh chị giúp em.

rút gọn đa thức (9x-1)^2(1-5x)^2+12(5x-1)(9x-1)

1 câu thôi anh chị giải thích giúp em

nêu những lợi thế về nông nghiệp của nước ta?

Calli:Love Fan NL:Mừng kênh yt của một bn đc 2N sub :>

Vẽ chibi tương tư NL:Chán quá ko ai hợp gu để tương tư=))

write a thank you note letter to a friend(40-60 words). Invite your friend to go on a picnic with you

Ex III. Circle the best word 1. The heart pumps/carries blood through the blood vessels to bring oxygen to all parts of the body. 2. Skeletal system is put/made up of our bones and it supports our body and protects our organs. 3. Discomfort, soreness and allergy are common side effects/results of taking this kind of medicine. 4. My grandfather has some problems with his heart and he had some electronic medical devices inserted/implanted into his body. 5. Nowadays a lot of people use acupuncture as a reliable/possible alternative to modern medicine and it’s proved to save much money for patients. 6. In order to keep/stay healthy, young people are recommended to control their weight and maintain daily exercise. 7. Some kinds of drinks such as coffee, tea, alcohol which strongly stimulate/accumulate the body can cause stress. 8. Do you believe that there are foods that can help you fall asleep or cause/keep you awake? 9. Respiratory/digestive system is the one that takes in oxygen and releases carbon dioxide. 10. It cannot be denied that illnesses are resulted/caused either naturally or personally.

Đổi đơn vị đo: 1. 220 km/h = ? m/s 2. 62 km/h = ? m/s 3. 100 km/h = ? m/s

Giúp mik mấy bài này nha mn mik ko bt