Mn giúp e bài này vs ạ E cảm ơn

Cho tam giác ABC nhọn (với AB=AC). Vẽ các đường cao BH,CH của tam giác(H thuộcAC,K thuộc AB). Gọi E là giao điểm của BH và CK. a) Tam giác AHB có đồng dạng với tam giác AKC không?Vì sao?. b)Chứng minh KH//BC. c)AE cât BC tại I.Tính tổng EI/AI+EH/BH+EK/CK?

II Make one sentence from two.Use the word(s) in brackets in your sentences: I.I enjoyod the film. The story was silly( in spite of) 2. We live in the same street . We hardly ever see each other(despite) 4. They have very little money. They are happy.(in spite of) 3.My foor was injured. I managed to walk to the nearest village(although) 6.I couldn't sleep. l was tired. (despite) 5.I got very wet in the rain. I had an umbrella.(even though) 7. He liked the sweater. He decided not to buy it.(though) 8.I didn't get the job. I had all the necessary qualifications (inspite of) 9.Nick used to smoke. He seems to be in good health.(although) 10. I had turned on the air conditioner. It was still hot in the room.(even though). 11.Laura wants to fly. She feels afraid( in spite of) 12.Trevor didn't notice the sign. It was right in front of him.(even though) 13.I'm not better. I've taken the pills.(despite) 14.Matthew doesn't know any French. It was one of his school subjects.(though) 15.Henry's friend is a millionaire.He hates spending money.(despite) 16.We couldn't get tickets.We queued for an hour.(in spite of) 17.I'd met her twice before. I didn't recognize her (although) 18.Laura felt unwell. She went on working.(inspite of) 19.I told the absolute truth.No one would believe me.(even though) 20.The goods was never delivered. We had received the promise.(despite.) 21. Although Tom was a poor student, he studied very well(In spite of ) 22. Mary could not go to school because she was sick.( Because of ) 23. Although the weather was bad, she went to school on time. (Despite) 24. My mother told me to go to school although I was sick.( In spite of)

Một tổ sản xuất theo kế hoạch phải may 1000 bộ quần áo bảo hộ y tế trong thời gian quy định. Thực tế do đáp ứng nhu cầu tăng cao của các bệnh viện trong mùa dịch COVID-19 nên mỗi ngày tổ may nhiều hơn 10 bộ và hoàn thành kế hoạch trước 5 ngày. Hỏi theo kế hoạch, mỗi ngày tổ phải may bao nhiêu bộ quần áo bảo hộ y tế?

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