Bài tập) Tìm $ x $, biết: $ a $) $(x-1)^{x+2}$ $ = $ $(x-1)^{x+4}$

Giúp mình với mn ơi Chuyển cấu trúc câu HTHT sáng Qkhứ và ngược lại 13. They haven’t eaten fish for five years.  It’s…………………………………………………………. 14. He hasn’t gone to the seaside for a year.  It’s………………………………………. 15. I haven’t gone swimming for two weeks.  It’s……………………………………….. 16. It’s three days since I last saw my teacher.  I ………………………………………………. 1. I moved to HCM city in 2000.  I have.................. 2. She began to learn English four years ago. She has ...... 3.They started practicing tennis when they were in high school. They have ............................................................. 4. We began learning English six month ago. We have ......................................................... 5. They stated to study French in 2004. They have ....................................................... 6. When did she begin to work for this company? How long ......................................................... 7.We went to Ha Noi three years ago. We have ...................................................... 8. The last time, they visited London two years ago. They haven’t.............................................. 9. The last time it rained here was a week ago. It hasn’t....................................................... 10. It’s two years since he last went out with her. He hasn’t.......................................................... 11. Mary ate a banana a few minutes ago. They have just.................................................. 12. He left his house a few minutes ago. He has just.................................................... 13When did they start to play soccer?How long have.................................................. 14.When did Mr Bown move to New York?How long has....................................... 15. We began to study French when we lived in Paris. We have......................................................... 16. My father bought this picture three years ago. My father has.................................................

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Giải thích giúp mình sao lại làm như vậy với ạ , cảm ơn nè☺️

6) Tom was admitted to the university although his grades were bad. Despite ….ð 7) Although she has a physical handicap, she has become a successful woman. => Despite …. 8) In spite of his god salary, Tom gave up his job. => Although…. 9) Though he had not finished the paper, he went to sleep. => In spite of …… 10) In spite of the high prices, my daughter insists on going to the movies. => Even though …… 11) she is an accountant, she never seems to have any money. => In spite of …. 12) Although Henry is a millionaire, he hates spending money. => In spite of …. 13) Mark went on working although he felt unwell. => In spite of …. 14) They slept soundly althoughth the night was hot. => In spite of …. 15) Although she was successful, she felt dissatisfied. => Despite …. 16) Although the boat was full of water, it sailed on. => Despite …. 17) Although the children were poor, they seemed happy. => Despite …. 18) We couldn't get tickets although we queued for an hour. => Despite …. 19) I enjoyed the film although the story was silly. => Despite …. 20) He did not arrive until 9 o'clock although he promised that he would not be late. => Despite ….

Mọi người giúp em giải bài này dc ko

Giúp mình gấp bài này với hứa vote 5 sao

Chu vi hình chữ Nhật là 40 . Biết rằng nếu giảm chiều dài đi 3 cm và tăng chiều rộng thêm 3 cm nữa thì hình chữ Nhật thành hình vuông . Tính diện tích hình chữ Nhật

Bài 4. Cho tam giác ABC nhọn (AB > AC). Vẽ đường tròn (S) đường kính AB và đường tròn (O) đường kính AC. Đường thẳng OS cắt (S) tại D, E, cắt (O) tại H, K (các điểm xếp theo thứ tự D, H, E, K). a) Chứng minh BE, BD là các tia phân giác của ABC , CH, CK là các tia phân giác của ACB b) Chứng minh các tứ giác BDAE, AHCK là các hình chữ nhật.

Tính tỉ số phần trăm của 16 và 8