So sánh 2 phấn số sau $\frac{-11}{3^7.7^3}$ và$\frac{-78}{3^7.7^4}$

Môn cơ thể người có những nhiệm vụ nào? Nhiệm vụ nào quan trọng? Vì sao phải nghiên cứu cơ thể về cả 3 mặt: cấu tạo, chức năng và vệ sinh?

Quy đồng mẫu số 4/7 và 3/5 7/12 và 11/8 5/9 và 9/5 8/13 và 16/39

35. It is 9p.m now. The children should go to bed. A. It is time the children to go to bed. B. It is time for the children to go to bed. C. It is time for the children to going to bed. D. It is time for the children go to bed. 26. I spent one hour going to work by bicycle. A. It took me one hour to go to work by bicycle. B. It took I one hour to go to work by bicycle. C. It took me one hour going to work by bicycle. D. It took my one hour to go work by bicycle. 37. The last time it rained was two months ago. A. It is two months since it has rained. B. It is two months since last it rained. C. It is two months since it last rained. D. It is two months since it was last rained. 38. He tried hard. He couldn’t set up a new world record. A. He couldn’t set up a new world record although he tried hard. B. He couldn’t set up a new world record even though trying hard. C. He couldn’t set up a new world record because he tried hard. D. He couldn’t set up a new world record because of he tried hard. 39. I was sorry that I forgot inviting her to the party. A. I really wish I had invited her to the party. B. I really wish had I invited her to the party. C. I really wish I invited her to the party. D. I really wish I have invited her to the party. 40. I’m afraid he will lose his job due to his laziness. A. If he works harder, he’ll lose his job. B. If he doesn’t works harder, he’ll lose his job. C. Unless he doesn’t work harder, he’ll lose his job. D. Unless he works harder he’ll lose his job.

Nhận xét về cuộc sống của người nguyên thủy trong giai đoạn người tối cổ và người Tinh khôn

Viết 1 đoạn văn ngắn trình bày cảm nhận của em về nhân vật ông Hai trong truyện "Làng" của Kim Lân. (Khoản3-6 câu).

Helpppppppppp meeeeeeeee giúp mình với mn

$( x^5 + x^3 + x^2 + 1 ) : ( x^3 +1 )$ Thực hiện phép chia

Ai giải hộ mình với ạ mình cảm ơn

giúp em nhanh với ạ em cần gấp cảm ơn!