. Một lớp học có 28 nam và 24 nữ.Có bao nhiêu cách chia đều học sinh thành các tổ với số tổ nhiều hơn 1 sao cho số nam trong các tổ bằng nhau và số nữ trong các tổ bằng nhau? Cách chia nào để mỗi tổ có số hoc sinh ít nhất.

IX. Choose the correct answers to comptete the passage. Physical activity is the (1)__________obvious benefit of sports participation. Children often spend too much time watching television or (2) __________video games. But sports practices and games provide an opportunity for exercise that can help keep kids in shape and (3) __________. Sports participation can help children develop social skills that will benefit them (4) __________ their entire lives. They learn to interact not only with other children their age, (5) __________ also with older individuals in their coaches and sports officials. Kids learn leadership skills, team-building skills and communication skills that will help them in school, their future (6) __________and personal relationships. 1. a. more b. much c. most d. least 2. a. doing b. playing c. paying d. watching 3. a. healthy b. wealthy c. happy d. funny 4. a. for b. on c. at d. throughout 5. a. and b. so c. but d. then 6. a. world b. career c. game d. shape X. Read the email then answer the questions. From: Rob.rbl67@mailme.ca To: Brett. walkerl49@mailme.ca Subject: Brett. walkerl49@mailme.ca Dear Brett Thanks for your email. You do lots of sports at school in Canada, rd love to play ice hockey one day. We do lots of sports at our school too. We've got a swimming pool at school and our class go swimming every Wednesday. We also play tennis, volleyball and football, but football in Australia is different to soccer. You can touch the ball with your hands! There are lots of after-school sports clubs in Australia too. I go to a surfing club after school on Tuesdays and Thursdays. We go to the beach and learn how to surf. It's great fun! Can you surf in your country? Write soon Rob 1. Where does Rob live? ____________________________ 2. How often does Rob go swimming? ____________________________ 3. Is football in Australia the same as soccer? ____________________________ 4. On what days of the week does Rob go to a surfing club? ____________________________ 5. Where does Rob go to learn how to surf? ____________________________ 6. Does Rob like surfing? ____________________________ XI. Use the prompts to write sentences. 1. We/ go/ skiing yesterday. _____________________________________________ 2. you/ watch/ the men’s basketball final/ TV/ last night? _____________________________________________ 3. I/ not play/ badminton/ last Sunday/ because/ I/ be/ ill. _____________________________________________ 4. Sue and her friends/ do/ yoga/ the gym/ now. _____________________________________________ 5. Last week/ we/ study/ how/ surf. It/ be/ very interesting. _____________________________________________ 6. He/ usually/ play/ football/ his friends/ Saturdays. _____________________________________________ 7. Where/ the children/ be/ yesterday morning? They/ be/ at the swimming pool. _____________________________________________ 8. His father/ teach/ him/ how/ play/ football/ a very young age _____________________________________________

Cho đoạn thẳng AB = 20cm. Trên tia AB lấy điểm C, sao cho AC = 10cm. a) Tính CB. b) Điểm C có phải là trung điểm của đoạn thẳng AB không? Vi sao? b) (-75) +(-105) d) |-15| + (-23) f) 46. 32 + 54. 32

miêu tả ô cửa tháng ba khoảng 8-10 câu có sử dụng biện pháp so sánh

Lập các cặp phân số bằng nhau từ các số sau : 4 , 5 , -2 , -8 , -10

mọi người ơi! Giúp mk câu này với ạ!

giải giúp mk phần b và c nha mk tick cho ai trả lời nhanh nhất vote 5 sao

x là bội chung của 18 ; 30 ; 75 và 0 < x < 1000.

MN ơi giúp em 2 bài chia này và ạ khó. Quoá

Cho tam giác ABC có 3 góc nhọn, vẽ AH vuông góc với BC tại H. Trên tia đối của tia HA lấy điểm D sao cho HD = HA A, Chứng minh BC và CB lần lượt là tia phân giác của góc ABD và ACD b, Chứng minh CA = CD và BA = BD