Thế nào là hai phân số đối nhau, hai phân số nghịch đảo của nhau?

Giúp mik với ạ mai kt rồi mn ơi

👉✌Bn nào cảm thấy mik cute 😆thì chỉ mik lm bài bài này vs và nhất là mấy bn hok r

Cho biết nội dung của pháp luật thời lê sơ Nội dung nào thể hiện sự tiến bộ

Cho hình chóp S.ABCD có đáy ABCD là hình thang vuông tại A và D. Cho AB= AD = DC = a và SA vuông góc với (ABCD). Gọi M, N lần lượt là trung diểm SA và SB. Chứng minh tứ giác DCNM là hình chữ nhật. Giúp mình câu 7b thôi nha

Em hãy viết lại câu sau cho hay hơn( bằng cách sử dụng những từ ngữ gợi tả hoặc sử dụng biện pháp so sánh,nhan hoa) : Tiếng sáo vi vu trầm bổng

Mọi người giúp mk nha mk sẽ cho 5 sao nếu ai trả lời nhanh nhất cảm ơn

Nhà phê bình Hoài Thanh nhận xét “ thơ Bác đầy trăng “ . Hãy kể tên 1 bài thơ khác của bác có hình ảnh trăng

Bài 2: Give the correct form of the word given to complete the sentences. 1. She reused her old carton boxes...... some interesting toys. (make) 2. People should try ti find some........ protecting methods to reduce current pollution. (Environment) 3. ........... is one of the main reasons causing floods and soil pollution. (Forest) 4. They encourage people to support........ products because they are friendly to the environment. (Use) 5. Police are investigating the .... of a young woman. (Disappear) 6. She tried her.... to answer all the questions of the quiz show, so she deserved to be the winner. (Good) 7. Petronas Twin Towers is one of the most famous....in Malaysia. (Architech) 8. Greenhouse gases trap........ from the sun in the atmosphere. (Hot) 9. Doing exercise more often can help you keep............. (Fitness) Các bạn giúp mik nha 5 sao luôn mik sắp đi học rồi

Read the text then choose the best answer for the question In the USA, people celebrate Mother’s day and Fathers day. Mother’s day is celebrated on the second Sunday in May. On this occasion, mother usually receives greeting cards and gifts from her husband and children. The best gifts of all American Mom are a day of leisure. The majority of American mothers have outside jobs as well as housework, so their working days are often very hard. Flower is an important part of Mother’s day. Mothers are often given a plant for the occasion, particularly if they are elderly. Father’s day is celebrated throughout the USA and Canada on the third Sunday in June. The holiday customs are similar to Mother’s day. Dad also receives greeting cards and gifts from his family and enjoys a day of leisure. 194 1. Where do people celebrate Father’s day and Mother’s day? A. In Viet Nam. B. In the world. C. In many countries. D. In the world. 2. When is Mother’s day celebrated? A. On the second Sunday in May. B. On the third Sunday in June. C. October 2 nd D. March 8th. 3. Do the majority of American mothers have to work hard every day? A. No, they only do the housework. B. No, they don’t have a job. C. Yes, they do. D. No, they don’t. 4. What is an important part of Mother’s day? A. Gift B. Present C. Flower D. All are correct. 5. Where is Father’ day celebrated? A. In the world. B. In the USA and Canada. C. In many countries. D. No information.