giúp mình nhanh nhất có thể nhé:3 Mình gấp lắm

So sánh 2 biểu thức A và B biết rằng: A = 2000/2001 + 2001/2002 B = 2000 + 2001/2001 + 2002

giải PT (x+7)căn (6x^2+1) - 5x=6x^2+11

giải cụ thể nha!!!!!!!!!!!!!!!!!

II. Choose the best answer 1. I am lucky _________ to study abroad. a. that b. so c. as d. enough 2. Tom is going to participate _________ the game. A. at b. on c.in d. over 3. He’s known Mai _________ he was in the country. a. when b. since c. during d. until 4. Would you _________ cleaning the floor for me? a. like b. please c. mind d. rather 5. It’s _________ to believe that he passed the exam. A. hardly b. hard c. difficultly d. difficulty 6. I failed my exam _________ I was lazy. a. although b. because c.so d. but 7.You are always _________ in the class. a. talking b. talk c. talks d. talked 8.The man _________ by the windows is my uncle. a. standing b. stands c. stand d. stood 9.My friend told me what _________ when I visited Hoi An. a. doing b. to do c.do d. done 10.My family has decided _________ Dalat in the summer. a. to visit b. visit c. visited d. visits III. Active to Passive 1. They gave Linda a prize for one of her books. - ________________________________________________ 2. Will they find an easy way to learn English one day? - ________________________________________________ 3. No one has told me about her success. - ________________________________________________ 4. Someone is repairing my car at the moment. - ________________________________________________ 5. People call her “Kitty”. ________________________________________________ giúp mình với ạ mình đag cần gấp

Tìm x biết: 3-$\frac{2}{2x-3}$ =$\frac{2}{5}$ + $\frac{2}{9-6x}$ - $\frac{3}{2}$

helpppppppppppppppp vớiiiiiiiiiii

Lm hộ mk vs !,,,,,,,,,,,,,,,,,!

( Nối mỗi cặp câu dưới đây, sử dụng từ trong ngoặc ) 1/ It was cold, but we still went swimming. ( though ) → .......................................................................................................................….............….…........... 2/ They were very tired. They worked very hard last night. ( so ) → ............................................................................................................................….....…….…........... 3/ He is sad now. His test is poor. ( because ) → .................................................................................................................................…..…….............. 4/ Nga tried her best. She still failed the final exam. ( although ) → .....................................................................................................................................…….……........ 5/ I like eating fish. My síster likes eating fish. ( and ) → ..................................................................................................................................…………............ 6/ I didn’t like the CD you have recommended me, but I bought it all the same. ( although ) → Although.........................................................................................................................….…............ 7/ Let’s go to the movie this weekend. ( How about …? ) → How about........................................................................................................................….……....... 8/ They turn on the air conditioner. It’s very hot in the room now ( so ) → ........................................................................................................................................…….….......... 9/ Although Nam is a very good student, he can’t do this difficult exercise. ( in spite of ) → In spite of.................................................................................................................................……...... 10/ I walked to school when I was a student. ( used to ) → I used to.........................................................................................................………….........................

a, Nếu x thỉ lệ thuận với y theo hệ tỉ lệ -3 thì y tỉ lệ thuận với x theo hệ số nào ? b, Nếu x tỉ lệ nghịch với y theo hệ tỉ lệ -3 thì y tỉ lệ nghịch với x theo hệ số tỉ lệ nào ?