tìm điểm nhấn khác nhau: A:Different B:Serious C:effective

Tính giá trị biểu thức 7/18-3/4×2/9;9/19+4/5÷2/5

Cho Q= $\frac{(x+27)P}{(\sqrt{x}+3)(\sqrt{x}-2)}$, với P= $\sqrt{x}-2$. Đk:$\left \{ {{x\geq0} \atop {x\neq1, x\neq4 }} \right.$. CM Q$\geq$ 6

Trình bày suy nghĩ về tình cảm, thái độ sống đối với quá khứ của thế hệ trẻ hiện nay với gợi ý sau: - Giải thích: Thái độ sống với quá khứ chính là đạo lí "uống nước nhớ nguồn", ân nghĩa thủy chung, ... - Nêu biểu hiện: mặt tích cực và tiêu cực, có dẫn chứng. - Nêu lí do thế hệ trẻ cần phải có thái độ sống ân nghĩa với quá khứ. - Liên hệ với bản thân.

Mọi người vào giúp e với cả e tịt rồi

Giúp mik hai bài này vs. Làm ơn giúp mik ik, hết hôm nay mik phải nộp rồi 😭😭😭😭😭

Mn giúp mình câu này ạ? C.ơn trc

mot trường da du dinh trong 400 cay het học ky1 nhà trường vượt múc 25%số cây theo dự định . trường đó dã tròng bao nhieu cay

1.We will go without him if he doesn’t come. - Unless 2.Jack is so strong that he can move this rock. - Jack is such ________________________________. 3.We couldn’t set off because it was raining heavily. - It was raining too _________________________________. 4.I had a repairman fix my bicycle. - I had my _______________________. 5.Nina was intelligent enough to work out this question. - It was very ____________________________- 6.You have to leave now or else you can catch the bus. - If you _______________________________. 7.This is the first time I have read this book. - I ___________________________. II. Verb form 1.This is the first time Jim (visit) this museum. 2.I am going to have my car (wash). 3.- How long Jane (attend) this university?- Since 2018. 4.It’s naughty of the boy (kick) the dog. 5.- I will never forget (meet) him for the first time in a summer camp. 6.When she (make) the speech, he (interrupt) by raising his hand. 7.- Are you thirsty? – No. I (drink) a glass of lemonade. 8.I couldn’t meet him because he (leave). 9.Your hand have to (wash) before having meals. III. Do the following as directed. 1.Linda seldom pays you a visit, _________? (tag question)) 2.She is wearing a fancy dress to go to the party. (ask a question) -What ___________________________? 3.They must wear face masks to prevent Corona virus. (passive) - Face masks_____________________________. 4.Kevin said to me, “Did you meet Jane a week ago?” (reported speech) - Kevin __________________________________________. 5.I have read a very interesting book. (relative pronoun) -The book _________________________________. V. Multiple choice 1.In order to understand them, you should put yourself in their hats / houses / shoes. 2.We are over the sun / world / moon about the coming trip to Son Doong Cave. 3.- What do think of this Vietnamese dish? – It’s out of this earth / world / globe. 4.- How often do you have a barbecue?- Once in a blue sky / sun / moon. 5.I am going to have some trees plant / planting / planted in the garden. 6.Do you mind drive / to drive / driving me to the airport? giúp em với ạ

cosx=4/5 (-pi/2<x<0) tính sinx/2