hộ em từ câu 12 bài 1 vs bài 2 vs ạ em cảm ơn ạ

`1/3`+`1/6`+`1/12`+`1/20`+`1/30`+`1/42`+`1/56`+`1/72`

🤗Giúp mình bài 8 với. Mình cảm ơn!!!❤❤ Bài 8: Cho tam giác ABC vuông tại A, đường cao AH. Gọi D và E là hình chiếu của H lên AB và AC Biết AB = 6cm, BC = 10cm. 1) Tính BH, AH,AD/AE 2) Chứng minh DE=BC.sinB.cosB.

Cho A= ($\frac{\sqrt{x}+1}{\sqrt{x}-1}$ - $\frac{\sqrt{x}-1}{\sqrt{x}+1}$):($\frac{1}{\sqrt{x}+1}$ -$\frac{\sqrt{x}}{1-\sqrt{x}}$ + $\frac{2}{x-1}$) a,Rút gọn A b,Chứng minh A≥0 c,So sánh A với 1

Tính nhẩm a) 8 . 24 . 6 + 12 . 4 . 52 + 2 . 22 . 24 b)18. 58 . 2 - 9 . 27 . 4 + 12 . 69 . 3 c)30 . 85 . 3 + 18 . 72 . 5 - 45 . 37 . 2 - 9 . 20 . 10

Phân tích Sóng của Xuân Quỳnh #nhờ viết hộ với ạ. Ngắn gọn nhưng đủ ý ( chỉ cần viết thân bài ) . # sắp thi rồi mong mn giúp đỡ ạ C.ơn ạ

Giúp mình với đây là bài rút gọn

Cho bài văn tham khảo tả mẹ đang nấu cơm (#nocopy)

lm nhanh nhé hứa vote CTLHN nếu đúng

1. If you are accepted for the job, you will be informed. => Accepted .............................................................................. 2. The painting was lost for years. It turned up at an aution. => Lost ....................................................................................... => Being lost ............................................................................ 3. Although the pagoda was built many years ago, it was in good condition. => Being .................................................................................. => Built ..................................................................................... 5. He had escaped from the prison. He looked for a place where he could get food. => Having ............................................................................................... 6. The girl who is playing soccer over there is my classmate. => .............................................................................................................. 7. The boys are swimming in the river. They shouldn't swim out far. => The boys ...................................................................................................... 8. The boy asked his mother's permission and then he went out to play. => Having ............................................................................................... 9. Because I had not seen him for 2 years, I didn't recognize him. => ................................................................................................... 10. I had seen the film twice. So I didn't go to the cinema. => Having ...........................................................................................