Tính bằng 2 cách A=(-1)+(-2)+(-3)+(-4)+...+(-99)+(-100)

giải câu d pt theo cách lớp 12 ạ ko đc thì dùng cách thường ạ

tìm lỗi sai r sửa lại 33. This square is our favorite place to hang out so that we have space to skateboard. 34. The museum has been temporarily closed to for reconstruction 35. After I met the Gills, I had been gardening for nearly ten years. A B C D 36.Hoa knows the process of making pottery because of she was born in Doc So craft village. 37 After I met the Gills, I had been gardening for nearly ten years. 38 Hoa knows the process of making pottery because of she was born in Doc So craft village.

Giúp mình bài này với ạ cố xong trc 9h ạ

X. Rewrite the following sentences. 1. The fable is very exciting. -> What ....................................................................................................................................... 2. The book was so good that I couldn’t stop reading it. -> It was ........................................................................................................................................ 3. The children were doing their homework when I got home. -> While ....................................................................................................................................... 4. She finds it difficult to remember all the story. -> It is ........................................................................................................................................... 5. The boy is very intelligent. -> What ......................................................................................................................................... 6. The weather is awful today. -> What ......................................................................................................................................... -> How ........................................................................................................................................... 7. Peter drives very carefully. -> What ....................................................................................................................................... -> How ........................................................................................................................................ 8. Sleeping Beauty is not as interesting as Beauty and the Beast. -> Beauty and the Beast is ........................................................................................................... 9. In spite of having no interest in folk tale, Sylvia still enjoyed the story. -> Although ................................................................................................................................... 10. My mother last told a fairy tale two years ago. -> It’s ...........................................................................................................................................

phân tích thành nhân tử: x^3/27+x^6/729-x^9 -5x^3(x+1)+x+1

giữa 2 điểm A và B ó hiệu điện thế U=12V ko đổi có mắc nối tiếp hai điện trở R1= 4oom và R2 a, hiệu điện thế giữa 2 đầu điện trở R1 đo được 7,2V. tiinsh I2 và R2 b. Mắc thêm R3//R2 hiệu điện thế giữa 2 đầu R1 đo được là 9V. tính vẽ cả hình

1)x-3/5-x=5/7 2)x-2/x-1=x+4/x+7 3(0,52 :x)=9,63:16,38

hoà tan 26g Zn vào 500g dung dịch HCl 3,65% tính nồng độ dung dịch mới

em hãy đánh giá những đóng góp của bộ phận sĩ phu yêu nước việt nam từ sau năm 1884