Giúp mình giải hết nha! Mình cảm ơn!

Tính : A= 9/1.2+9/2.3+9/3.4+...+9/2020.2019 Các bạn inh Ab nhanh và chi tiết giúp mình nhé.

Làm gấp giúp mình hai bài giải nha

I. Fill in each blank with a word from the box Children have a tendency to run very fast (1)__________ the street, or choose any spot to cross because it may seem empty, or approaching vehicles may be (2) __________ away. That can be dangerous as passing (3) __________ do not slow down unless there is a signal or a crossroad. This is the (4)____________ why pedestrian crossings and intersections are the (5)__________ places to cross. Children should cross (6)_________ at an intersection and use the pedestrian crossing. If they are in a small neighborhood where there is no (7)___________ should (8)____________ the rule 'stop, look both ways and cross'.

giải hộ e bài này với ạ mx ngũ 2 +(2m+1)x+m+2=0

Hai yếu tố quang trọng nhất quyết định đến sự phân bố của Công nghiệp Chế biến Lương Thực-Thực Phảm là gì?Tại Sao?

II. Put the dialogue into the correct order. ___ Oh, I thought I could make a right turn on red here. ___ Here's your ticket. Please drive safely, ma'am. ___ Thank you, sir. _1_ Sir, did I do anything wrong? ___ No, ma'am. The sign says "No Turn on Red" ___ Yes, ma'am. Didn't you see the red light? ___ May I see your driver's license and insurance policy, please? I have to give you a ticket. ___ Oh, I guess I didn’t see it. ___ Here they are ___ Have a nice day, ma’am.

COMPLETE THE SENTENCES WITH THE CORRECT FORM OF THE WORDS 1. She was …………………………… for days after the accident. (consciousness) 2. Her speedy …………………………… after the operation amazed all the doctors. (revive) 3. The …………………………… of water caused the dam to burst. (press) 4. The heart pumps …………………………… around the body. (bleed) 5. I want an …………………………… reply. (immediately) 6. The victim from a dog bite needs an anti-tetanus …………………………… (inject) 7. Fuyao (Phu Dao) was very …………………………… about her mother’s health. (anxiety) 8. The nurse is giving Lan some first-aid …………………………… (instruct) 9. Make sure that the needles are …………………………… (sterilize) 10. The woman didn’t regain her …………………………… and died the next day. (conscious) 11. I’ll make …………………………… to see you again. (arrange) 12. People use first-aid to ease the victim’s pain and …………………………… (anxious) 13. The …………………………… player are carried out of the soccer field on a …………………………… (injury / stretch) 14. Scientists are trying to find a better …………………………… for the Corona virus. (treat)

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