Cho hình chóp S.ABCD có đáy ABCD là hình vuông cạnh a, mặt bên SAB là tam giác đều và nằm trong mặt phẳng vuông góc với mặt phẳng đáy. Gọi H là trung điểm của AB. Tính cosin của góc giữa SC và (SHD) 

152 - 274 - -248 + -26

Có bao nhiêu số phức \(z\) thỏa mãn \(|z|\) = \(\sqrt{2} \) và \((z+2i)(\overline{z} -2)\) là số thuần ảo ? 

so du lon nhat trong phep chia cho 6 la em dang gap lam

DOUBLE COMPARISONS 

1. The children are excited with the difficult games 

-> The more

2. People dive fast. Many accidents happen 

-> The faster 

3. I meet him much. I hate him much

-> The more 

4. My boss works better when he is pressed for time

-> The less

5. As he has much money, he wants to spend much 

-> The more

6. If you read many books, you will have much knowledge

-> The more

7. He speaks too much and people feel bored

-> The more

8. The growth in the economy make people's living condition better

-> The more

9. He learned a lot of things as he traveled far

-> The farther

10. She gets fat. She feels tired

-> The fatter

1. I can't sing this song 

-> I wish 

2. He was punished by his mother 

-> I wish 

3. She doesn't join in the trip 

-> I wish 

4. " Don't leave the house until I get back, William", his mother said 

-> William's mother told

5. " Don't bite your nails," said Mrs. Rogers to her son

-> Mrs. Rogers told 

6. " John, please don't tell anyone my new address," said Mary

-> Mary asked 

7. " Don't forget to bring your passport with you tomorrow" 

-> She reminded me 

8. " Do not write on the wall," said the teacher to the boys

-> The teacher told the boys