Sắp xếp các phân số theo thứ tự từ nhỏ đến lớn: − 19 /30 ; − 5/ 9 ; 0 ; − 25/ 47 ; 124/ 2011 ; − 24/ 35 ; − 23 /49 . giúp mik với các bạn giải thích từng bước giải giúp mik nhé!

đề bài ''chuyển sang thể bị động nha

Vẽ mầm cute mê trai đi NL : Cho mik đi lại

Hiện tượng khuếch tán xảy ra nhanh hơn trong một chất khí khi A. Khi tăng nhiệt độ của khối khí B. Khi giảm nhiệt độ của khối khí C. Khi cho khối khí dãn nở D. Khi tăng độ chênh lệch nhiệt độ trong khối khí

1. She feeds the animals. - She __________________ the animals. 2. We take photos. - We ______________ photos. 3. Sandy does the housework every Thursday. - Sandy _____________ the housework every Thursday. 4. The boys have two rabbits. - The boys ___________ two rabbits. 5. Simon can read English books. - Simon ___________ read English books. 6. He listens to the radio every evening. - She ___________ to the radio every evening. 7. Annie is the best singer of our school. - Annie __________ the best singer of our school. 8. The children are at home. - The children ___________ at home. 9. The dog runs after the cat. - The dog __________ after the cat. 10. Lessons always finish at 3 o'clock. - Lessons _________________ at 3 o'clock.

Làm ơn giải giúp e bài số 5 này

Giups nha các thiên tài Bài 1:CMR $\frac{1}{2 ² }$ + $\frac{1}{3²}$ +..............+ $\frac{1}{100²}$ <1 Bài 2: tìm số tn x a,($\frac{1}{1.2.3}$ +$\frac{1}{2.3.4}$ +..............+$\frac{1}{8.9.10}$ ).x=$\frac{23}{45}$ b, $\frac{30}{43}$ =$\frac{1}{a+\frac{1}{b+\frac{1}{c+\frac{1}{d}

giúp với mn!!!!!!!!!!!!!!!!!!!!!!

1. I (be) ________ at school at the weekend. 2. She (not study) ________ on Friday. 3. My students (be not) ________ hard working. 4. He (have) ________ a new haircut today. 5. I usually (have) ________ breakfast at 7.00. 6. She (live) ________ in a house? 7. Where (be)____ your children? 8. My sister (work) ________ in a bank. 9. Dog (like) ________ meat. 10. She (live)________ in Florida. 11. It (rain)________ almost every day in Manchester. 12. We (fly)________ to Spain every summer. 13. My mother (fry)________ eggs for breakfast every morning. 14. The bank (close)________ at four o'clock. 15. John (try)________ hard in class, but I (not think) ________ he'll pass. 16. Jo is so smart that she (pass)________ every exam without even trying. 17. My life (be)_____ so boring. I just (watch)________ TV every night. 18. My best friend (write)________ to me every week. 19. You (speak) ________ English? 20. She (not live) ________ in HaiPhong city.

Giúp mình giải bài toán này với ạ thanks